HK

Hiroshi Kuwabara

HI Hitachi: 15 patents #2,636 of 28,497Top 10%
Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
OC Oki Electric Industry Co.: 2 patents #947 of 2,807Top 35%
OC Oki Electric Co.: 1 patents #3 of 39Top 8%
SO Sony: 1 patents #17,262 of 25,231Top 70%
📍 Suginami, CA: #1 of 2 inventorsTop 50%
Overall (All Time): #137,982 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4967399 Erasable and programmable read-only memory system Shooji Kitazawa 1990-10-30
4899309 Current sense circuit for a ROM system Shooji Kitazawa, Teruhiro Harada 1990-02-06
4638308 CRT picture display apparatus Jushi Ide, Yasuji Kamata, Kenkichi Yamashita 1987-01-20