MH

Masami Hamada

OC Olympus Optical Co.: 7 patents #488 of 2,334Top 25%
Overall (All Time): #764,126 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5748366 Surgical microscope Koji Yasunaga, Hiroshi Fujiwara, Takashi Fukaya, Masahiko Kinukawa, Tomonori Ishikawa +2 more 1998-05-05
5579772 Surgical microscope system Masahiko Kinukawa, Hiroshi Fujiwara, Takashi Fukaya, Masanori Kaneda, Toyoharu Hanzawa +4 more 1996-12-03
5552929 Stereomicroscope Takashi Fukaya, Shinichi Nakamura, Toyoharu Hanzawa, Masahiko Kinukawa, Tomonori Ishikawa +2 more 1996-09-03
5490015 Actuator apparatus Koichi Umeyama, Tatsuya Yamaguchi, Yasuhiro Ueda, Sakae Takehana, Hiroki Moriyama +7 more 1996-02-06
5227914 Stereomicroscope including a single variable magnification optical system Toyoharu Hanzawa, Tomonori Ishikawa, Shinichi Nakamura, Hiroshi Fujiwara, Masahiko Kinukawa +5 more 1993-07-13
5122904 Operating microscope with drape and suction means for removing air from the drape Hiroshi Fujiwara, Shigeo Tokunaga, Masahiko Kinukawa, Tomonori Ishikawa, Takashi Fukaya +3 more 1992-06-16
5048941 Surgical miscroscope with a modular stand Hiroshi Fujiwara, Kosaku Tsuboshima, Masahiko Kinukawa, Toshiyuki Tsunoda, Takashi Nagano +4 more 1991-09-17