HY

Hitoshi Yoshikawa

PA Panasonic: 12 patents #2,079 of 21,108Top 10%
TI Tokai Rubber Industries: 10 patents #34 of 557Top 7%
SL Sumitomo Riko Company Limited: 9 patents #10 of 446Top 3%
KU Kyushu University, National University: 3 patents #75 of 767Top 10%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
KU Kyushu University: 1 patents #77 of 186Top 45%
SC Shinko Electric Industries Co.: 1 patents #437 of 723Top 65%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
📍 Miyoshi, JP: #76 of 2,464 inventorsTop 4%
Overall (All Time): #124,982 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
6146320 Conductive roll Shoji Arimura, Kunio Ito, Sumio Oinuma, Akihiko Kaji, Kenichi Ohkuwa +2 more 2000-11-14
6142922 Conductive roller Shoji Arimura, Akihiko Kaji, Kenichi Ohkuwa 2000-11-07
5993366 Low hardness conductive roll Akihiko Kaji, Kenichi Ohkuwa, Shoji Arimura 1999-11-30
5934783 Ventilating fan/light combination 1999-08-10
5299955 Battery terminal mounting means for a portable electrical device Hajime Maeda, Toru Tachikawa 1994-04-05