Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
KO

Kousuke Okuyama — 57 Patents

Hitachi: 24 patents #1,340 of 28,497Top 5%
RTRenesas Technology: 20 patents #65 of 3,337Top 2%
RERenesas Electronics: 9 patents #397 of 4,529Top 9%
HCHitachi Ulsi Systems Co.: 8 patents #82 of 867Top 10%
EMElpida Memory: 3 patents #206 of 692Top 30%
HEHitachi Micro Computer Engineering: 2 patents #45 of 393Top 15%
NENec Electronics: 1 patents #715 of 1,789Top 40%
Nec: 1 patents #7,889 of 14,502Top 55%
Kodaira, JP: #11 of 1,073 inventorsTop 2%
Overall (All Time): #43,372 of 4,157,543Top 2%
57 Patents All Time

Issued Patents All Time

Showing 51–57 of 57 patents

Patent #TitleCo-InventorsDate
4898840 Semiconductor integrated circuit device and a method of producing the same 1990-02-06
4818716 Semiconductor device and manufacturing method thereof Ken Uchida, Kouichi Kusuyama, Satoshi Meguro, Hisao Katto, Kazuhiro Komori 1989-04-04
4784968 Process for manufacturing a semiconductor device having MIS-type field effect transistors with impurity region below the gate electrode Kazuhiro Komori, Kenichi Kuroda 1988-11-15
4717684 Semiconductor integrated circuit device Hisao Katto 1988-01-05
4697198 MOSFET which reduces the short-channel effect Kazuhiro Komori, Kenichi Kuroda 1987-09-29
4652897 Semiconductor memory device Kazuhiro Komori, Hisao Katto 1987-03-24
4637124 Process for fabricating semiconductor integrated circuit device Norio Suzuki, Satoshi Meguro, Kouichi Nagasawa 1987-01-20