KH

Keiichi Hiyama

OC Olympus Optical Co.: 2 patents #55 of 360Top 20%
📍 Akishima, JP: #2 of 43 inventorsTop 5%
Overall (1997): #33,639 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5697885 Endoscope for recording and displaying time-serial images Yutaka Konomura, Takao Tsuruoka, Kazunari Nakamura, Tetsuo Nonami, Akihiko Yajima 1997-12-16
5631695 Endoscope with smear extraction and correction Kazunari Nakamura 1997-05-20