ES

Eiji Sakakibara

HI Hitachi: 12 patents #3,472 of 28,497Top 15%
HS Hitachi Microcomputer System: 10 patents #1 of 257Top 1%
HE Hitachi Vlsi Engineering: 10 patents #77 of 666Top 15%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
📍 Kodaira, JP: #134 of 1,073 inventorsTop 15%
Overall (All Time): #388,222 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
6996700 Microcomputer and dividing circuit Shumpei Kawasaki, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao, Shiro Baba +15 more 2006-02-07
6343357 Microcomputer and dividing circuit Shumpei Kawasaki, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao, Shiro Baba +15 more 2002-01-29
6272620 Central processing unit having instruction queue of 32-bit length fetching two instructions of 16-bit fixed length in one instruction fetch operation Shumpei Kawasaki, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao, Shiro Baba +15 more 2001-08-07
6253308 Microcomputer having variable bit width area for displacement and circuit for handling immediate data larger than instruction word Shumpei Kawasaki, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao, Shiro Baba +15 more 2001-06-26
6205535 Branch instruction having different field lengths for unconditional and conditional displacements Shumpei Kawasaki, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao, Shiro Baba +15 more 2001-03-20
6131154 Microcomputer having variable bit width area for displacement Shumpei Kawasaki, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao, Shiro Baba +15 more 2000-10-10
6122724 Central processing unit having instruction queue of 32-bit length fetching two instructions of 16-bit fixed length in one instruction fetch operation Shumpei Kawasaki, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao, Shiro Baba +15 more 2000-09-19
5991545 Microcomputer having variable bit width area for displacement and circuit for handling immediate data larger than instruction word Shumpei Kawasaki, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao, Shiro Baba +15 more 1999-11-23
5987589 Microcomputer and microcomputer system Shumpei Kawasaki, Kaoru Fukada, Mitsuru Watabe, Kouki Noguchi, Kiyoshi Matsubara +4 more 1999-11-16
5969976 Division circuit and the division method thereof Shumpei Kawasaki, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao, Shiro Baba +15 more 1999-10-19
5748977 Multiply connectable microprocessor and microprocessor system Shumpei Kawasaki, Kaoru Fukada, Mitsuru Watabe, Kouki Noguchi, Kiyoshi Matsubara +4 more 1998-05-05
5682545 Microcomputer having 16 bit fixed length instruction format Shumpei Kawasaki, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao, Shiro Baba +15 more 1997-10-28
5530965 Multiply connectable microprocessor and microprocessor system Shumpei Kawasaki, Kaoru Fukada, Mitsuru Watabe, Kouki Noguchi, Kiyoshi Matsubara +4 more 1996-06-25