Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11626361 | Power semiconductor module | Takashi Tojima, Yasushi Nemoto, Atsushi Ochiya | 2023-04-11 |
| 11495331 | Document creation assistance server and document creation assistance method | Hiroshi Nara, Junya Shirai, Tatsuki Koike, Kenjiro Sato, Takaharu Hirayama +9 more | 2022-11-08 |
| 7540001 | Apparatus for and method of mounting disks having different diameters | Shuji Koseki, Akihisa Inatani, Renji Tamura | 2009-05-26 |
| 5627811 | Constant linear velocity optical disk apparatus having improved circuitry for speed data access | Hiroyuki Onda, Masasi Tanaka, Katsumi Aoyama | 1997-05-06 |
| 5243727 | Floor polisher | Osamu Tanaka, Kazutoshi Kinoshita | 1993-09-14 |
| 5107479 | Optical recording/reproducing apparatus | Hiroshi Tsuyuguchi | 1992-04-21 |
| 5083302 | Optical tracking servo apparatus | Hiroshi Tsuyuguchi, Makoto Syoji | 1992-01-21 |
| 5050154 | Optical recording/reproducing module having reduced size | Kenji Shimozawa | 1991-09-17 |
| 5010246 | Optical head apparatus applicable to optical disc apparatus | Hiroshi Tsuyuguchi, Yasushi Noda, Kenji Shimozawa | 1991-04-23 |
| 4935914 | Optical recording and reproducing apparatus for verifying correct writing of information signal | Makoto Shouji, Hiroshi Tsuyuguchi | 1990-06-19 |
| 4924566 | Method for manufacturing a reinforcing element for asbestos free friction material | Hideo Shiraishi | 1990-05-15 |
| 4783706 | Circuit arrangement and method for saving power in magnetic disk apparatus without head displacement | Makoto Shoji, Hiroshi Tsuyuguchi, Shozo Toma, Kazuhiro Hiraki | 1988-11-08 |
| 4782406 | Data transfer apparatus with a disklike record medium and a method of operation therefore | Makoto Shoji, Hiroshi Tsuyuguchi, Shozo Toma, Kazuhiro Hiraki | 1988-11-01 |
| 4700243 | Power saving circuit arrangement for an apparatus for data transfer with flexible magnetic disk or the like | Hiroshi Tsuyuguchi, Makoto Shoji | 1987-10-13 |
| 4688112 | Power-saving data transfer apparatus with a flexible magnetic disk or the like | Makoto Shoji, Hiroshi Tsuyuguchi, Shozo Toma, Kazuhiro Hiraki | 1987-08-18 |
| 4677510 | Data transfer apparatus with a disklike record medium | Makoto Shoji, Hiroshi Tsuyuguchi, Shozo Toma, Kazuhiro Hiraki | 1987-06-30 |
| 4651235 | Magnetic data transfer apparatus having a combined read/write head | Shozo Toma, Yoshiaki Sakai | 1987-03-17 |
| 4626942 | Power-saving data transfer apparatus with a flexible magnetic disk or the like | Makoto Shoji, Hiroshi Tsuyuguchi, Shozo Toma, Kazuhiro Hiraki | 1986-12-02 |