TO

Tsumoru Oka

AC Alps Electric Co.: 8 patents #222 of 2,177Top 15%
📍 Rifu, JP: #402 of 2,101 inventorsTop 20%
Overall (All Time): #670,353 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5144277 Sealing structure for electrical parts Kanji Ishihara 1992-09-01
4921428 Cable reel Kunihiko Sasaki, Yuichi Ida, Mituaki Shinroaku 1990-05-01
4897513 Rotary switch Mituaki Shinraku 1990-01-30
4824396 Electrical connection apparatus Kunihiko Sasaki, Kiichi Yamaguchi, Takasi Ohya, Mituaki Shinraku, Akihiro Konno +1 more 1989-04-25
4658236 Automatic signal cancelling apparatus for a direction indicator on motorcycle or the like vehicle Hiroshi Tamagawa 1987-04-14
4652850 Potentiometer 1987-03-24
4218594 Rotary switch assembly Hiroki Komatsu 1980-08-19
4200773 Switch Hiroaki Komatsu 1980-04-29