SK

Shumpei Kawasaki

HI Hitachi: 28 patents #1,022 of 28,497Top 4%
HE Hitachi Vlsi Engineering: 15 patents #15 of 666Top 3%
HS Hitachi Microcomputer System: 10 patents #1 of 257Top 1%
RA Renesas Technology America: 2 patents #3 of 35Top 9%
HS Hitachi Micro Systems: 1 patents #13 of 30Top 45%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
📍 Tokyo, CA: #223 of 583 inventorsTop 40%
Overall (All Time): #103,860 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #TitleCo-InventorsDate
7877572 Data access in a processor for virtual machines Toshiyasu Morita 2011-01-25
7412581 Processor for virtual machines and method therefor Toshiyasu Morita 2008-08-12
6996700 Microcomputer and dividing circuit Eiji Sakakibara, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao, Shiro Baba +15 more 2006-02-07
6845908 Storage card with integral file system, access control and cryptographic support Toshiyasu Morita 2005-01-25
6748507 Single-chip microcomputer with integral clock generating unit providing clock signals to CPU, internal circuit modules and synchronously controlling external dynamic memory Yasushi Akao, Kouki Noguchi, Atsushi Hasegawa, Hiroshi Ohsuga, Keiichi Kurakazu +3 more 2004-06-08
6735683 Single-chip microcomputer with hierarchical internal bus structure having data and address signal lines coupling CPU with other processing elements Yasushi Akao, Kouki Noguchi, Atsushi Hasegawa, Hiroshi Ohsuga, Keiichi Kurakazu +3 more 2004-05-11
6591294 Processing system with microcomputers each operable in master and slave modes using configurable bus access control terminals and bus use priority signals Yasushi Akao, Kouki Noguchi, Atsushi Hasegawa, Hiroshi Ohsuga, Keiichi Kurakazu +3 more 2003-07-08
6343357 Microcomputer and dividing circuit Eiji Sakakibara, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao, Shiro Baba +15 more 2002-01-29
6324634 Methods for operating logical cache memory storing logical and physical address information Shinichi Yoshioka 2001-11-27
6279063 Microcomputer system with at least first and second microcomputers each operable in master and slave modes with configurable bus access control terminals and bus use priority controller Yasushi Akao, Kouki Noguchi, Atsushi Hasegawa, Hiroshi Ohsuga, Keiichi Kurakazu +3 more 2001-08-21
6272620 Central processing unit having instruction queue of 32-bit length fetching two instructions of 16-bit fixed length in one instruction fetch operation Eiji Sakakibara, 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 Eiji Sakakibara, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao, Shiro Baba +15 more 2001-06-26
6223265 Single-chip microcomputer synchronously controlling external synchronous memory responsive to memory clock signal and clock enable signal Yasushi Akao, Kouki Noguchi, Atsushi Hasegawa, Hiroshi Ohsuga, Keiichi Kurakazu +3 more 2001-04-24
6212620 Single-chip microcomputer operable in master and slave modes and having configurable bus control terminals Yasushi Akao, Kouki Noguchi, Atsushi Hasegawa, Hiroshi Ohsuga, Keiichi Kurakazu +3 more 2001-04-03
6205535 Branch instruction having different field lengths for unconditional and conditional displacements Eiji Sakakibara, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao, Shiro Baba +15 more 2001-03-20
6138226 Logical cache memory storing logical and physical address information for resolving synonym problems Shinichi Yoshioka 2000-10-24
6131154 Microcomputer having variable bit width area for displacement Eiji Sakakibara, 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 Eiji Sakakibara, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao, Shiro Baba +15 more 2000-09-19
6012139 Microprocessor including floating point unit with 16-bit fixed length instruction set Prasenjit Biswas, Norio Nakagawa, Osamu Nishii, Kunio Uchiyama 2000-01-04
5991545 Microcomputer having variable bit width area for displacement and circuit for handling immediate data larger than instruction word Eiji Sakakibara, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao, Shiro Baba +15 more 1999-11-23
5987589 Microcomputer and microcomputer system Kaoru Fukada, Mitsuru Watabe, Kouki Noguchi, Kiyoshi Matsubara, Isamu Mochizuki +4 more 1999-11-16
5969976 Division circuit and the division method thereof Eiji Sakakibara, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao, Shiro Baba +15 more 1999-10-19
5930833 Logical cache memory storing logical and physical address information for resolving synonym problems Shinichi Yoshioka 1999-07-27
5930523 Microcomputer having multiple bus structure coupling CPU to other processing elements Yasushi Akao, Kouki Noguchi, Atsushi Hasegawa, Hiroshi Ohsuga, Keiichi Kurakazu +3 more 1999-07-27
5832248 Semiconductor integrated circuit having CPU and multiplier Kazumasa Kishi, Shigeki Masumura, Hideo Nakamura, Kouki Noguchi, Yasushi Akao 1998-11-03