Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10620113 | Environmental test apparatus | Norihiro Yoshida, Hideo Sawano, Yoshinori Sadakata | 2020-04-14 |
| 10115429 | Disk magazine | Yoichi Yamamoto, Norikatsu Yoshida, Tomoaki Namekawa | 2018-10-30 |
| 10049699 | Disc tray and tray holder | Yoichi Yamamoto, Shinichi Maeda, Norikatsu Yoshida | 2018-08-14 |
| 9099105 | Disk-shaped information recording medium, disk cartridge and information recording and reproducing apparatus | Mamoru Shoji, Yoshihiro Kawasaki, Hidemi Isomura, Kazuya Hisada | 2015-08-04 |
| D734341 | Optical disk | Mamoru Shoji, Yoshihiro Kawasaki | 2015-07-14 |
| 9015735 | Disk-shaped information recording medium, disk cartridge, and information recording/reproducing apparatus | Mamoru Shoji, Yoshihiro Kawasaki, Hidemi Isomura | 2015-04-21 |
| 8930974 | Disk-shaped information recording medium, disk cartridge, and information recording/reproducing apparatus | Mamoru Shoji, Yoshihiro Kawasaki, Hidemi Isomura | 2015-01-06 |
| 4891334 | Process for production of electronic devices utilizing novolak resin as protective material | Masaki Satoh, Shigemitsu Kamiya, Nobuo Fujie | 1990-01-02 |
| 4583325 | Grinding machine | — | 1986-04-22 |
| 4481738 | Grinding machine | — | 1984-11-13 |
| 4305974 | Method of manufacturing a semiconductor device | Ryoji Abe, Makoto Serigano | 1981-12-15 |