OZ

Osamu Zaitsu

Sumitomo Electric Industries: 8 patents #3,473 of 21,551Top 20%
SC Shigematsu Works Co.: 2 patents #4 of 16Top 25%
Overall (All Time): #504,149 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10576313 Detachable connector Nobuo Shigematsu, Kenichi Ono 2020-03-03
8905018 Breathing apparatus Kenichi Ono, Genta Santou, Hiroyuki Ide 2014-12-09
5363268 Tape cassette Mitsuo Utsumi, Makoto Okuda, Jiro Kajino 1994-11-08
5331498 Tape cassette including a locking slider Mitsuo Utsumi, Makoto Okuda, Jiro Kajino, Tatsuhiro Yabuki 1994-07-19
5231551 Cassette loading device for a magnetic recording/reproducing apparatus Makoto Okuda 1993-07-27
4807077 Short time recording tape cassette having a larger open space than that of a long time recording tape cassette Satoshi Kikuya 1989-02-21
4803574 Arrangement of recording and/or reproducing apparatus Akio Konishi, Satoshi Kikuya, Hideaki Yoshio 1989-02-07
4757397 Minature tape loading device Satoshi Kikuya 1988-07-12
4517613 Magnetic recording and playback apparatus Narito Shibaike, Seiko Minamide, Satoshi Kikuya, Hiroshi Terada 1985-05-14
4491885 Magnetic recording/playback device Toshinori Morikawa, Seiko Minamide, Satoshi Kikuya, Hiroshi Terada, Narito Shibaike 1985-01-01