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IEICE Trans

Chikaaki KODAMA

UEO Channel Routing Algorithm to Alleviate Local Congestion for Generalized Channels
Zezhong WANG Hiroto NAKAYAMA Masayuki SHIMODA Atsushi TAKAHASHI Kosuke YANAGIDAIRA Chikaaki KODAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2025/09/01
Vol. E108-A  No. 9  pp. 1241-1250
Type of Manuscript:  PAPER
Category: VLSI Design Technology and CAD
Keyword: 
generalized channel, local congestion, parallel wire length, 
 Summary | Full Text:PDF
A Routing Method Using Directed Grid-Graph for Self-Aligned Quadruple Patterning
Takeshi IHARA Toshiyuki HONGO Atsushi TAKAHASHI Chikaaki KODAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2017/07/01
Vol. E100-A  No. 7  pp. 1473-1480
Type of Manuscript:  Special Section PAPER (Special Section on Design Methodologies for System on a Chip)
Category: 
Keyword: 
self-aligned quadruple patterning (SAQP), routing algorithm, turn prohibition constraint, 
 Summary | Full Text:PDF
A Fast Mask Manufacturability and Process Variation Aware OPC Algorithm with Exploiting a Novel Intensity Estimation Model
Ahmed AWAD Atsushi TAKAHASHI Chikaaki KODAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/12/01
Vol. E99-A  No. 12  pp. 2363-2374
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: 
Keyword: 
pattern fidelity, process variation, mask manufacturability, mask data volume, computation time, 
 Summary | Full Text:PDF
The O-Sequence:Representation of 3D-Dissection
Hidenori OHTA Toshinori YAMADA Chikaaki KODAMA Kunihiro FUJIYOSHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/08/01
Vol. E91-A  No. 8  pp. 2111-2119
Type of Manuscript:  PAPER
Category: Algorithms and Data Structures
Keyword: 
rectangular solid dissection, rectangular dissection, 3D-VLSI, 2D-dissection, 3D-dissection, Q-sequence, O-sequence, 
 Summary | Full Text:PDF
A Graph Based Soft Module Handling in Floorplan
Hiroaki ITOGA Chikaaki KODAMA Kunihiro FUJIYOSHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/12/01
Vol. E88-A  No. 12  pp. 3390-3397
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: Floorplan and Placement
Keyword: 
floorplan, soft module, compaction graph, slack, 
 Summary | Full Text:PDF
Minimizing the Number of Empty Rooms on Floorplan by Dissection Line Merge
Chikaaki KODAMA Kunihiro FUJIYOSHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/07/01
Vol. E88-D  No. 7  pp. 1389-1396
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Circuits and Systems--Part 1)
Category: Programmable Logic, VLSI, CAD and Layout
Keyword: 
empty room, dissection line, rectangular dissection, floorplan, module placement, 
 Summary | Full Text:PDF
An Improved Method of Convex Rectilinear Block Packing Based on Sequence-Pair
Kazuya WAKATA Hiroaki SAITO Kunihiro FUJIYOSHI Keishi SAKANUSHI Takayuki OBATA Chikaaki KODAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/12/01
Vol. E86-A  No. 12  pp. 3148-3157
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: Place and Routing
Keyword: 
packing, sequence-pair, convex rectilinear block, 
 Summary | Full Text:PDF
An Efficient Decoding Method of Sequence-Pair with Reduced Redundancy
Chikaaki KODAMA Kunihiro FUJIYOSHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/12/01
Vol. E85-A  No. 12  pp. 2785-2794
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: Physical Design
Keyword: 
packing, floorplan, sequence-pair, Q-sequence, 
 Summary | Full Text:PDF