YN

Yasuhiro Nakatsuka

HI Hitachi: 45 patents #373 of 28,497Top 2%
RT Renesas Technology: 8 patents #341 of 3,337Top 15%
HC Hitachi Engineering Co.: 6 patents #17 of 572Top 3%
RE Renesas Electronics: 2 patents #1,855 of 4,529Top 45%
HS Hitachi Information & Control Solutions: 1 patents #32 of 68Top 50%
ER East Japan Railway: 1 patents #9 of 63Top 15%
HS Hitachi Information & Control Systems: 1 patents #11 of 58Top 20%
📍 Tokyo, CA: #154 of 583 inventorsTop 30%
Overall (All Time): #46,205 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 26–50 of 55 patents

Patent #TitleCo-InventorsDate
6600492 Picture processing apparatus and picture processing method Tetsuya Shimomura, Shigeru Matsuo, Kazuyoshi Koga, Koyo Katsura, Kazushige Yamagishi 2003-07-29
6587111 Graphic processor and data processing system Atsushi Nakamura, Kazushige Yamagishi 2003-07-01
6433782 Data processor apparatus and shading apparatus Shigeru Matsuo, Jun Satoh, Masanori Miyoshi, Koyo Katsura, Takashi Sone 2002-08-13
6384831 Graphic processor and data processing system Atsushi Nakamura, Kazushige Yamagishi 2002-05-07
6356269 Image processing device and system using the same Keisuke Nakashima, Shigeru Matsuo, Masahisa Narita, Koyo Katsura, Hidehito Takewa +1 more 2002-03-12
6333745 Data processor having unified memory architecture providing priority memory access Tetsuya Shimomura, Shigeru Matsuo, Koyo Katsura, Tatsuki Inuzuka 2001-12-25
6236404 Perspective projection calculation devices and methods Ichiro Iimura, Jun Satoh, Takashi Sone 2001-05-22
6219062 Three-dimensional graphic display device Shigeru Matsuo, Jun Sato 2001-04-17
6167497 Data processing apparatus and register address translation method thereof Koyo Katsura 2000-12-26
6108746 Semiconductor memory having an arithmetic function and a terminal arrangement for coordinating operation with a higher processor Ryo Fujita, Mitsuru Soga 2000-08-22
6084599 Graphics drawing device with hidden surface processing Keisuke Nakashima, Shigeru Matsuo, Masahisa Narita, Koyo Katsura, Hidehito Takewa +1 more 2000-07-04
6043820 Perspective projection calculation devices and methods Ichiro Iimura, Jun Satoh, Takashi Sone 2000-03-28
5974560 Information processor and information processing system utilizing clock signal Takashi Hotta, Kozaburo Kurita, Masahiro Iwamura, Hideo Maejima, Shigeya Tanaka +3 more 1999-10-26
5968160 Method and apparatus for processing data in multiple modes in accordance with parallelism of program by using cache memory Masahiko Saito, Kenichi Kurosawa, Yoshiki Kobayashi, Tadaaki Bandoh, Masahiro Iwamura +3 more 1999-10-19
5784630 Method and apparatus for processing data in multiple modes in accordance with parallelism of program by using cache memory Masahiko Saito, Kenichi Kurosawa, Yoshiki Kobayashi, Tadaaki Bandoh, Masahiro Iwamura +3 more 1998-07-21
5748202 Image data processor for processing pixel data in block buffer Keisuke Nakashima, Shigeru Matsuo, Masahisa Narita, Koyo Katsura, Hidehito Takewa +1 more 1998-05-05
5680637 Computer having a parallel operating capability Takashi Hotta, Shigeya Tanaka, Hiromichi Yamada, Hideo Maejima 1997-10-21
5640547 Data processing system generating clock signal from an input clock, phase locked to the input clock and used for clocking logic devices Takashi Hotta, Kozaburo Kurita, Masahiro Iwamura, Hideo Maejima, Shigeya Tanaka +3 more 1997-06-17
5561775 Parallel processing apparatus and method capable of processing plural instructions in parallel or successively Kenichi Kurosawa, Shigeya Tanaka, Tadaaki Bandoh 1996-10-01
5542083 Information processor and information processing system utilizing clock signal Takashi Hotta, Kozaburo Kurita, Masahiro Iwamura, Hideo Maejima, Shigeya Tanaka +3 more 1996-07-30
5526509 Method and apparatus for controlling one or more hierarchical memories using a virtual storage scheme and physical to virtual address translation Toshio Doi, Takeshi Takemoto 1996-06-11
5506982 Data processing system generating clock signal from an input clock, phase locked to the input clock and used for clocking logic devices Takashi Hotta, Kozaburo Kurita, Masahiro Iwamura, Hideo Maejima, Shigeya Tanaka +3 more 1996-04-09
5404472 Parallel processing apparatus and method capable of switching parallel and successive processing modes Kenichi Kurosawa, Shigeya Tanaka, Tadaaki Bandoh 1995-04-04
5392416 Method and apparatus for controlling one or more hierarchical memories using a virtual storage scheme and physical to virtual address translation Toshio Doi, Takeshi Takemoto 1995-02-21
5388249 Data processing system generating clock signal from an input clock, phase locked to the input clock and used for clocking logic devices Takashi Hotta, Kozaburo Kurita, Masahiro Iwamura, Hideo Maejima, Shigeya Tanaka +3 more 1995-02-07