YT

Yoshikazu Tojo

OC Olympus Optical Co.: 7 patents #488 of 2,334Top 25%
Overall (All Time): #670,341 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5140265 Eddy current flaw detecting endoscope apparatus which produces signals which control other devices Katsunori Sakiyama, Yasundo Tanaka, Morihide Mizumoto, Minoru Okada, Masanao Murata +3 more 1992-08-18
4901142 Video scope system Yuji Ikuno, Takeaki Nakamura, Shinichi Nishigaki, Hiromasa Suzuki, Hisao Yabe +4 more 1990-02-13
4879992 Rigid electronic endoscope Shinichi Nishigaki, Takeaki Nakamura, Jun Yoshinaga, Masahide Kanno, Hisao Yabe +3 more 1989-11-14
4870950 Endoscope system Kouji Kanbara, Kenichi Kikuchi, Yoshihito Shimizu, Shinichiro Hattori, Akira Hasegawa +6 more 1989-10-03
4867136 Endoscope apparatus Akira Suzuki, Susumu Takahashi, Takeaki Nakamura, Tatsuya Yamaguchi, Takashi Tsukaya +19 more 1989-09-19
4862872 Endoscope and endoscope washing apparatus Hisao Yabe, Masahide Kanno, Jun Yoshinaga, Takeshi Yokoi, Kazuhiko Ozeki +3 more 1989-09-05
4803550 Imaging apparatus having illumination means Hisao Yabe, Kenji Kimura, Masahide Kanno, Kiyoshi Tsuji, Jun Yoshinaga +5 more 1989-02-07
4753224 Endoscope tip 1988-06-28