HY

Hisao Yabe

OC Olympus Optical Co.: 92 patents #1 of 2,334Top 1%
OL Olympus: 9 patents #529 of 3,097Top 20%
KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
KC Koyo Seiko Co.: 1 patents #363 of 749Top 50%
TK Terumo Kabushiki Kaisha: 1 patents #888 of 1,558Top 60%
📍 Yamanashi, JP: #10 of 1,957 inventorsTop 1%
Overall (All Time): #12,479 of 4,157,543Top 1%
108
Patents All Time

Issued Patents All Time

Showing 101–108 of 108 patents

Patent #TitleCo-InventorsDate
4576650 Method of cleaning endoscope channels Hiroyuki Sasa, Yukio Nakajima, Fumiaki Ishii, Koji Takamura, Takeaki Nakamura 1986-03-18
4562830 Suction device for an endoscope 1986-01-07
4529267 Illuminating system for endoscopes Kimihiko Nishioka 1985-07-16
4526622 Method of cleaning endoscope channels Koji Takamura, Fumiaki Ishii, Yukio Nakajima, Hiroyuki Sasa, Takeaki Nakamura 1985-07-02
4526623 Method of cleaning endoscope channels Fumiaki Ishii, Hiroyuki Sasa, Yukio Nakajima, Koji Takamura, Takeaki Nakamura 1985-07-02
4525220 Method of cleaning endoscope channels Hiroyuki Sasa, Yukio Nakajima, Fumiaki Ishii, Koji Takamura, Takeaki Nakamura 1985-06-25
4509507 Endoscope apparatus 1985-04-09
4402313 Endoscope light source device 1983-09-06