Takashi HASHIMOTO


A 90 mW MPEG-4 Video Codec LSI with the Capability for Core Profile
Takashi HASHIMOTO Shunichi KUROMARU Masayoshi TOUJIMA Yasuo KOHASHI Masatoshi MATSUO Toshihiro MORIIWA Masahiro OHASHI Tsuyoshi NAKAMURA Mana HAMADA Yuji SUGISAWA Miki KUROMARU Tomonori YONEZAWA Satoshi KAJITA Takahiro KONDO Hiroki OTSUKI Kohkichi HASHIMOTO Hiromasa NAKAJIMA Taro FUKUNAGA Hiroaki TOIDA Yasuo IIZUKA Hitoshi FUJIMOTO Junji MICHIYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/07/01
Vol. E86-C  No. 7  pp. 1374-1384
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
MPEG-4 visualcore profilehybrid architectureclock gatingembedded DRAMlow power
 Summary | Full Text:PDF(2.3MB)

Performance Evaluation of Local Recovery Group Configuration in Reliable Multicast
Miki YAMAMOTO Takashi HASHIMOTO Hiromasa IKEDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/12/25
Vol. E83-B  No. 12  pp. 2675-2684
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
reliable multicastlocal recoveryretransmissionIP multicast
 Summary | Full Text:PDF(382.7KB)

Performance Evaluation of Reliable Multicast Communication Protocols under Heterogeneous Transmission Delay Circumstances
Takashi HASHIMOTO Miki YAMAMOTO Hiromasa IKEDA James F. KUROSE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/10/25
Vol. E82-B  No. 10  pp. 1609-1617
Type of Manuscript:  PAPER
Category: Signaling System and Communication Protocol
Keyword: 
reliable multicastretransmissionNAKheterogeneous transmission delay
 Summary | Full Text:PDF(683KB)

New Test Structures for Evaluating the Scaling Limit of a Narrow U-Groove Isolation Structure
Yoichi TAMAKI Takashi HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/04/25
Vol. E82-C  No. 4  pp. 612-617
Type of Manuscript:  Special Section PAPER (Special Issue on Microelectronic Test Structures)
Category: 
Keyword: 
isolation capacitanceSOIbipolar transistortrench structure
 Summary | Full Text:PDF(427.2KB)

An MPEG2 Video Decoder LSI with Hierarchical Control Mechanism
Shin-ichi URAMOTO Akihiko TAKABATAKE Takashi HASHIMOTO Jun TAKEDA Gen-ichi TANAKA Tsuyoshi YAMADA Yukio KODAMA Atsushi MAEDA Toshiaki SHIMADA Shun-ichi SEKIGUCHI Tokumichi MURAKAMI Masahiko YOSHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/12/25
Vol. E78-C  No. 12  pp. 1697-1708
Type of Manuscript:  Special Section PAPER (Special Issue on Low-power Analog, Digital LSIs and ASICs for Multimedia)
Category: 
Keyword: 
image compressionvideo decoderMPEG2
 Summary | Full Text:PDF(1.1MB)

A 6-ns 4-Mb CMOS SRAM with Offset-Voltage-Insensitive Current Sense Amplifiers
Koichiro ISHIBASHI Koichi TAKASUGI Kunihiro KOMIYAJI Hiroshi TOYOSHIMA Toshiaki YAMANAKA Akira FUKAMI Naotaka HASHIMOTO Nagatoshi OHKI Akihiro SHIMIZU Takashi HASHIMOTO Takahiro NAGANO Takashi NISHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/06/25
Vol. E78-C  No. 6  pp. 728-734
Type of Manuscript:  Special Section PAPER (Special Issue on the 1994 VLSI Circuits Symposium (Joint Issue with the IEEE Journal of Solid-State Circuits, Vol. 30, No. 4 April 1995))
Category: 
Keyword: 
 Summary | Full Text:PDF(646.7KB)

A Bipolar-Based 0.5 µm BiCMOS Technology on Bonded SOI for High-Speed LSIs
Makoto YOSHIDA Toshiro HIRAMOTO Tsuyoshi FUJIWARA Takashi HASHIMOTO Tetsuya MURAYA Shigeharu MURATA Kunihiko WATANABE Nobuo TAMBA Takahide IKEDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/08/25
Vol. E77-C  No. 8  pp. 1395-1403
Type of Manuscript:  Special Section PAPER (Special Section on High Speed and High Density Multi Functional LSI Memories)
Category: General Technology
Keyword: 
BiCMOSbonded SOIdouble polysilicon bipolartrench isolationstress
 Summary | Full Text:PDF(1.1MB)

A 1.5-ns Cycle-Time 18-kb Pseudo-Dual-Port RAM with 9K Logic Gates
Masato IWABUCHI Masami USAMI Masamori KASHIYAMA Takashi OOMORI Shigeharu MURATA Toshiro HIRAMOTO Takashi HASHIMOTO Yasuhiro NAKAJIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/05/25
Vol. E77-C  No. 5  pp. 749-755
Type of Manuscript:  Special Section PAPER (Special Section on the 1993 VLSI Circuits Symposium (Joint Issue with the IEEE Journal of Solid-State Circuits, Vol.29, No.4 April 1994))
Category: 
Keyword: 
 Summary | Full Text:PDF(597.6KB)