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Nobuhiko Washizuka

OC Olympus Optical Co.: 6 patents #576 of 2,334Top 25%
Overall (All Time): #887,583 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5749830 Fluorescent endoscope apparatus Mamoru Kaneko, Yasuhiro Ueda, Sakae Takehana, Masaya Yoshihara, Masahiko Iida +4 more 1998-05-12
5630795 Cleaning tube apparatus for endoscope Seiji Kuramoto, Ryoji Masubuchi, Akio Nakada, Yasuhiko Omagari, Ichiro Nakamura +1 more 1997-05-20
5423848 Trocar Yasuhiko Oomagari, Tsuruo Hatori, Tsuyoshi Tsukagoshi, Minoru Tsuruta, Seiji Kuramoto +7 more 1995-06-13
4911147 Endoscope with a shock absorber 1990-03-27
4813400 Optical fiber assembly for an endoscope Koji Kambara 1989-03-21
4756303 Insertion section of an endoscope Masahiro Kawashima, Koji Kambara, Tsuruo Hatori, Nobuaki Akui, Kunio Ohno +1 more 1988-07-12