TY

Tetsuo Yamaoka

WC West Electric Co.: 6 patents #10 of 78Top 15%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Overall (All Time): #663,614 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6529788 Recycling system and recycling method Tatsuo Tani, Kiyoshi Sakai, Yasushi Akiba, Shohzoh Miyawaki, Teruzo Hasumi +3 more 2003-03-04
6108511 Toner collecting and reusing device for use in an image forming apparatus and a method thereof Akio Kutsuwada, Seiji Oka, Keisuke Hayashi, Shinji Tamaki 2000-08-22
4479076 Power saving device for electronic flash Hiroshi Iwata 1984-10-23
4372657 Device for indicating photographic exposure conditions Hiroshi Iwata 1983-02-08
4352546 Camera selectively settable to either standard photographic mode or supertelephotographic mode Hiroshi Iwata, Akitoshi Morioka 1982-10-05
4336985 Camera with macro-photographic system Hiroshi Iwata, Akitoshi Morioka 1982-06-29
4325621 Electronic flash device Hiroshi Iwata 1982-04-20
4280760 Flash camera Hiroshi Iwata, Hajime Mitsui 1981-07-28