IH

Isamu Hirai

PE Pentax: 2 patents #42 of 186Top 25%
Overall (1997): #37,425 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5682558 Camera with learning function Tadayuki Kirigaya, Hideaki Tsuji, Yasuyuki Haneishi, Masato Yamamoto, Masaaki Haga +3 more 1997-10-28
5602616 Exposure control apparatus of camera Osamu Sato, Satoshi Nakano, Toshiyuki Kitazawa, Takayuki Sensui, Masato Yamamoto +4 more 1997-02-11