OS

Osamu Shigenai

AC Alps Electric Co.: 8 patents #222 of 2,177Top 15%
📍 Osaki, JP: #26 of 142 inventorsTop 20%
Overall (All Time): #589,950 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5940248 Mechanism in disk drive apparatus for preventing insertion of a disk cartridge when the shutter disk cartridge is closed Masao Ohkita, Daijo Shibata, Yuji Inada, Makito Takigawa, Toru Sawada 1999-08-17
5796696 Chassis with strengthening rib having stepped section for recording and/or reproducing apparatus Hideki Ishikawa 1998-08-18
5005092 Shutter opening device Keiichi Sato 1991-04-02
4796118 Welded leaf spring mounting for magnetic head assembly of disk drive apparatus Masao Ohkita, Kazuo Kobayashi, Kunihiko Gunji, Tadami Sugawara, Takamichi Fuke 1989-01-03
4792245 Bearing device Takamichi Fuke, Kazuyoshi Ozawa, Atsushi Masuda, Kunihiko Gunji 1988-12-20
4734801 Retaining device for an eject lever of a disk recording and reproducing apparatus Kuninobu Takeda, Takashi Toyama 1988-03-29
4724497 Eject button unit for a disk recording and reproducing device Kuninobu Takeda 1988-02-09
4672490 Recording and reproducing device for magnetic disc including a head damping device Yukio Saito, Kunihiko Gunji, Motohiro Shimaoka, Yasuyuki Hirose, Masao Okita 1987-06-09
4661869 Disk recording and reproducing device having a disk loading and slide ejector mechanism Kuninobu Takeda 1987-04-28