AY

Akira Yamagiwa

HI Hitachi: 53 patents #249 of 28,497Top 1%
HS Hitachi Hokkai Semiconductor: 4 patents #16 of 98Top 20%
IS Ishikawa Seisakusho: 1 patents #7 of 32Top 25%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
LG: 1 patents #17,402 of 26,165Top 70%
Overall (All Time): #43,403 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 51–57 of 57 patents

Patent #TitleCo-InventorsDate
5145800 Method of wiring for power supply to large-scale integrated circuit Kiyokazu Arai, Masatoshi Kawashima, Toshihiro Okabe 1992-09-08
5087829 High speed clock distribution system Kenichi Ishibashi, Takehisa Hayashi, Toshio Doi, Mitsuo Asai, Noboru Masuda +1 more 1992-02-11
4944144 Spindle driving device of covering machine Tadao Katoh, Eiichi MATSUOKA 1990-07-31
4812684 Multiphase clock distribution for VLSI chip Toshihiro Okabe 1989-03-14
4516039 Logic circuit utilizing a current switch circuit having a non-threshold transfer characteristic Isokazu Matsuzaki, Yutaka Watanabe, Takashi Matsumoto, Katsumi Yabe 1985-05-07
4329597 Logic circuit 1982-05-11
4249091 Logic circuit 1981-02-03