IEICE Trans

Koji KOTANI

Efficiency Improvement in Photovoltaic-Assisted CMOS Rectifier with Symmetric and Voltage-Boost PV-Cells Koji KOTANI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2015/02/01 Vol. E98-A No. 2 pp. 500-507 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics) Category: Keyword: energy harvesting, rectifier, photovoltaic cell,
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A Photovoltaic-Assisted CMOS Rectifier for Synergistic Energy Harvesting from Ambient Radio Waves Koji KOTANI Takumi BANDO Yuki SASAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/04/01 Vol. E97-C No. 4 pp. 245-252 Type of Manuscript: Special Section PAPER (Special Section on Solid-State Circuit Design,---,Architecture, Circuit, Device and Design Methodology) Category: Keyword: energy harvesting, photovoltaic, radio waves, rectifier,
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Highly Reliable and Drivability-Enhanced MOS Transistors with Rounded Nanograting Channels Takashi ITO Xiaoli ZHU Shin-Ichiro KUROKI Koji KOTANI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/11/01 Vol. E93-C No. 11 pp. 1638-1644 Type of Manuscript: PAPER Category: Semiconductor Materials and Devices Keyword: nanograting, current drive, effective mobility, reliability, TDDB, NBTI,
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Self-Vth-Cancellation High-Efficiency CMOS Rectifier Circuit for UHF RFIDs Koji KOTANI Takashi ITO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2009/01/01 Vol. E92-C No. 1 pp. 153-160 Type of Manuscript: PAPER Category: Integrated Electronics Keyword: radio frequency identification (RFID), ultra-high frequency (UHF), rectifier, self-Vth-cancellation, power conversion efficiency (PCE),
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Characteristics of Nano-Grating N-Channel MOSFETs for Improved Current Drivability Xiaoli ZHU Shin-Ichiro KUROKI Koji KOTANI Hideharu SHIDO Masatoshi FUKUDA Yasuyoshi MISHIMA Takashi ITO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2007/09/01 Vol. E90-C No. 9 pp. 1830-1836 Type of Manuscript: PAPER Category: Semiconductor Materials and Devices Keyword: nano-grating, transconductance, effective mobility, current-drivability,
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Performance Comparison between Equal-Average Equal-Variance Equal-Norm Nearest Neighbor Search (EEENNS) Method and Improved Equal-Average Equal-Variance Nearest Neighbor Search (IEENNS) Method for Fast Encoding of Vector Quantization Zhibin PAN Koji KOTANI Tadahiro OHMI
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2005/09/01 Vol. E88-D No. 9 pp. 2218-2222 Type of Manuscript: LETTER Category: Image Processing and Video Processing Keyword: encoding performance, fast search, vector quantization, statistical features, EEENNS method, IEENNS method,
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A 100 MHz 7.84 mm² 31.7 msec 439 mW 512-Point 2-Dimensional FFT Single-Chip Processor Naoto MIYAMOTO Leo KARNAN Kazuyuki MARUO Koji KOTANI Tadahiro OHMI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2004/04/01 Vol. E87-C No. 4 pp. 502-509 Type of Manuscript: Special Section PAPER (Special Section on Low-Power System LSI, IP and Related Technologies) Category: Keyword: fast Fourier transform, cached-memory architecture, double buffer structure,
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A Fast Search Method for Vector Quantization Using Enhanced Sum Pyramid Data Structure Zhibin PAN Koji KOTANI Tadahiro OHMI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/03/01 Vol. E87-A No. 3 pp. 764-769 Type of Manuscript: LETTER Category: Image Keyword: fast search, vector quantization, multi-resolutions, enhanced sum pyramid,
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An Improved Fast Encoding Algorithm for Vector Quantization Using 2-Pixel-Merging Sum Pyramid and Manhattan-Distance-First Check Zhibin PAN Koji KOTANI Tadahiro OHMI
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2004/02/01 Vol. E87-D No. 2 pp. 494-499 Type of Manuscript: LETTER Category: Image Processing, Image Pattern Recognition Keyword: fast encoding, VQ, 2-pixel-merging, sum pyramid, the Cauchy-Schwarz inequality, Manhattan-distance-first,
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A Fast Encoding Method for Vector Quantization Using L₁ and L₂ Norms to Narrow Necessary Search Scope Zhibin PAN Koji KOTANI Tadahiro OHMI
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2003/11/01 Vol. E86-D No. 11 pp. 2483-2486 Type of Manuscript: LETTER Category: Image Processing, Image Pattern Recognition Keyword: vector quantization, fast search, L₁ and L₂ norm,
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A Fast Encoding Method for Vector Quantization Based on 2-Pixel-Merging Sum Pyramid Data Structure Zhibin PAN Koji KOTANI Tadahiro OHMI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/09/01 Vol. E86-A No. 9 pp. 2419-2423 Type of Manuscript: LETTER Category: Image Keyword: vector quantization, fast search, 2-pixel-merging, sum pyramid,
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Analysis of High-Speed Signal Behavior in a Miniaturized Interconnect Akihiro MORIMOTO Koji KOTANI Kazushi TAKAHASHI Shigetoshi SUGAWA Tadahiro OHMI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2002/05/01 Vol. E85-C No. 5 pp. 1111-1118 Type of Manuscript: Special Section PAPER (Special Issue on Advanced Sub-0.1 µm CMOS Devices) Category: Keyword: giga-scale integration, miniaturized interconnect, Maxwell's equations, GHz signal propagation, gas-isolated interconnect,
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Fast Computational Architectures to Decrease Redundant Calculations -- Eliminating Redundant Digit Calculation and Excluding Useless Data Makoto IMAI Toshiyuki NOZAWA Masanori FUJIBAYASHI Koji KOTANI Tadahiro OHMI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1999/09/25 Vol. E82-C No. 9 pp. 1707-1714 Type of Manuscript: Special Section PAPER (Special Issue on Integrated Electronics and New System Paradigms) Category: Processors Keyword: MSD-first architecture, digit-serial architecture, numerical characteristic, preprocessing architecture, vector quantization,
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Low Power Neuron-MOS Technology for High-Functionality Logic Gate Synthesis Ho-Yup KWON Koji KOTANI Tadashi SHIBATA Tadahiro OHMI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1997/07/25 Vol. E80-C No. 7 pp. 924-930 Type of Manuscript: Special Section PAPER (Special Issue on New Concept Device and Novel Architecture LSIs) Category: Novel Concept Devices Keyword: neuron MOS, deep-threshold, low power, full adder, number detector,
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Impact of High-Precision Processing on the Functional Enhancement of Neuron-MOS Integrated Circuits Koji KOTANI Tadashi SHIBATA Tadahiro OHMI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1996/03/25 Vol. E79-C No. 3 pp. 407-414 Type of Manuscript: Special Section PAPER (Special Issue on Scientific ULSI Manufacturing Technology) Category: Device Issues Keyword: high-precision processing, neuron-MOS, high-functionality circuit, ultra clean technology, multiple-valued logic,
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Self-Aligned Aluminum-Gate MOSFET's Having Ultra-Shallow Junctions Formed by 450 Furnace Annealing Koji KOTANI Tadahiro OHMI Satoshi SHIMONISHI Tomohiro MIGITA Hideki KOMORI Tadashi SHIBATA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1993/04/25 Vol. E76-C No. 4 pp. 541-547 Type of Manuscript: Special Section PAPER (Special Issue on Sub-Half Micron Si Device and Process Technologies) Category: Device Technology Keyword: aluminum gate, self align, ultraclean ion-implantation, 450 furnace annealing,
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