Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5828557 | Flyback transformer | Yoshihiko Sugawara | 1998-10-27 |
| 5744918 | Display monitor | Yoshihiko Sugawara, Kazuyoshi Takizawa | 1998-04-28 |
| 4620763 | Connector apparatus for connecting high-tension cable | — | 1986-11-04 |
| 4305056 | Transformer with gapped core | Etsuo Tsurumi, Shingo Tamura, Noboru Mitsugi | 1981-12-08 |
| 4293903 | High voltage rectifier for television receiver sets | Shingo Tamura, Etsuo Tsurumi | 1981-10-06 |