HY

Hirofumi Yanagizawa

GL Gunze Limited: 4 patents #18 of 349Top 6%
MI Mitsui Petrochemical Industries: 1 patents #503 of 1,024Top 50%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
📍 Moriyama, JP: #738 of 2,577 inventorsTop 30%
Overall (All Time): #1,254,836 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7212779 Electroconductive brush and copying device for electrophotography Yukio Mori, Shoichi Tsukada 2007-05-01
5592263 Charging device Katsumi Adachi, Shiro Narikawa, Takashi Hayakawa, Yukihito Nishio, Takumi Sakamoto +1 more 1997-01-07
5403638 Flocked member Katsuhiko Oikawa, Atsushi Okada, Kyoji Muraoka, Naoki Morozumi, Haruo Kamiya 1995-04-04
5189840 Device for holding slidable member Katsuhiko Oikawa, Shigeru Nakamura, Yoshinori Kamiya 1993-03-02