KM

Kazumasa Matsuo

OC Olympus Optical Co.: 13 patents #219 of 2,334Top 10%
SC Sumitomo Chemical: 3 patents #1,386 of 4,033Top 35%
JC Japan Storage Battery Co.: 2 patents #45 of 170Top 30%
Overall (All Time): #251,619 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
11692088 Rubber composition Natsuyo KAMIMOTO, Tatsuhiko Adachi, Toshihiro NOBUOKA, Takeshi Hara 2023-07-04
10287419 Rubber composition and vulcanization aid Orhan Ozturk, Yasuo Uekita 2019-05-14
9902747 Phosphite compound, method for producing the same and uses thereof Natsuko KIMURA, Orhan Ozturk 2018-02-27
6638661 Battery and producing method thereof Takefumi Inoue, Hiroaki Yoshida 2003-10-28
6447949 Battery having electrolyte injecting plug Mikio Iwata, Takefumi Inoue, Hiroaki Yoshida 2002-09-10
4711999 Apparatus for photometrically detecting an optically focused condition of an optical system Yoshio Shishido, Susumu Takahashi, Atsushi Miyazaki, Shinichi Nishigaki, Shinichi Kato +2 more 1987-12-08
4682586 Automatic exposure control device for endoscope 1987-07-28
4633882 Device for diagnosing body cavity interiors with ultrasonic waves Akio Nakada 1987-01-06
4589414 Surgical cutting instrument Yutaka Yoshida, Shozo Hirayama, Hiroyuki Kusunoki, Yoshio Shishido, Morihide Mizumoto +2 more 1986-05-20
4558706 Device for diagnosing body cavity interiors with ultrasonic waves Akio Nakada 1985-12-17
4556787 Photosensor for optical observing or photographing devices Yoshio Shishido, Shinichi Nishigaki, Shinichi Kato, Atsushi Miyazaki, Susumu Takahashi +2 more 1985-12-03
4489728 Device for diagnosing body cavity interior with supersonic waves Akio Nakada 1984-12-25
4489727 Device for diagnosing body cavity interior with supersonic waves Akio Nakada 1984-12-25
4351587 Apparatus for positioning eyepiece of endoscope Tetsumaru Kubota 1982-09-28
4294234 Endoscope 1981-10-13
4269192 Stabbing apparatus for diagnosis of living body 1981-05-26
4267828 Endoscope having an extension guide for observation 1981-05-19
4182558 Camera mounting device for an endoscope 1980-01-08