HH

Hitoshi Hamanaka

NC Nishikawa Rubber Co.: 3 patents #48 of 246Top 20%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
📍 Nakano, JP: #60 of 187 inventorsTop 35%
Overall (All Time): #1,259,196 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7066473 Glass seal weatherstrip Mitsuaki Arata 2006-06-27
6837005 Weatherstrip for automobile Mithuaki Arata, Ken Yoshioka, Kazuhiko Tokutomi 2005-01-04
6663165 Method for attaching door parts and unified parts of automobile door Makoto Naito, Mitsuaki Arata 2003-12-16
5692899 Wire for orthodontic treatment and its manufacturing method Osamu Takahashi, Takayuki Yoneyama 1997-12-02