JU

Junji Umetsu

PE Pentax: 7 patents #230 of 761Top 35%
📍 Kita, JP: #6 of 43 inventorsTop 15%
Overall (All Time): #670,035 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5253004 Control device for camera Fuminori Ueno 1993-10-12
4455723 Removable coupling device between a photographic camera and an accessory 1984-06-26
4440403 Drop-proof and dust-proof device in rotary operation section of camera Fumio Urano 1984-04-03
4244591 Device for protecting the operating section of a camera from water drops and dust 1981-01-13
4212525 Release device in a camera having a motor drive unit Fumio Urano, Akihiro Arai, Takumi Kobayashi, Eiji Yamamori 1980-07-15
4209247 Environmentally protected camera with an interchangeable drawing type finder Fumio Urano, Akihiro Arai, Takumi Kobayashi, Eiji Yamamori, Norimichi Takahashi 1980-06-24
4208118 Moisture and dust proof sealing arrangement for camera body rear cover Fumio Urano 1980-06-17
4202617 Shutter release security device in motor drive camera Fumio Urano, Akihiro Arai, Takumi Kobayashi 1980-05-13