HK

Hisashi Kaziwara

HC Hitachi Engineering Co.: 9 patents #6 of 572Top 2%
HI Hitachi: 8 patents #5,191 of 28,497Top 20%
HE Hitachi Micro Computer Engineering: 1 patents #131 of 393Top 35%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
Overall (All Time): #586,474 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6697070 Graphic processing system Koyo Katsura, Shigeru Matsuo, Shigeaki Yoshida, Hiroshi Takeda 2004-02-24
6538653 Graphic processing system for displaying characters and pictures at high speed Koyo Katsura, Shigeru Matsuo, Shigeaki Yoshida, Hiroshi Takeda 2003-03-25
5956263 Multiplication, division and square root extraction apparatus Masahisa Narita, Takeshi Asai, Shigeki Morinaga, Hiroyuki Kida, Mitsuru Watabe +5 more 1999-09-21
5751930 Graphic processing system Koyo Katsura, Shigeru Matsuo, Shigeaki Yoshida, Hiroshi Takeda 1998-05-12
5631858 System for obtaining strict solution in accordance with accuracy of approximate solutions Masahisa Narita, Takeshi Asai, Shigeki Morinaga, Hiroyuki Kida, Mitsuru Watabe +5 more 1997-05-20
5504912 Coprocessor executing pipeline control for executing protocols and instructions Shigeki Morinaga, Norio Nakagawa, Mitsuru Watabe, Mamoru Ohba, Hiroyuki Kida +2 more 1996-04-02
5293558 Multiplication, division and square root extraction apparatus Masahisa Narita, Takeshi Asai, Shigeki Morinaga, Hiroyuki Kida, Mitsuru Watabe +5 more 1994-03-08
5125095 System using microprocessor address lines for coprocessor selection within a multi-coprocessor apparatus Takuichiro Nakazawa, Makoto Hanawa, Atsushi Hasegawa, Ikuya Kawasaki, Kazuhiko Iwasaki +3 more 1992-06-23
4947342 Graphic processing system for displaying characters and pictures at high speed Koyo Katsura, Shigeru Matsuo, Shigeaki Yoshida, Hiroshi Takeda 1990-08-07