Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10823984 | Polarizing lens for spectacles | Shoichi Mitsuuchi, Kenzo Wada, Ryogo Nitta | 2020-11-03 |
| 10732220 | Positioning and fixing device | Katsura Tomotaki, Yoshiyuki Yokoyama, Tomohiro Yoshimochi, Masami Takatori | 2020-08-04 |
| 10510574 | Prober | — | 2019-12-17 |
| 10444547 | Functional laminated spectacle lens having functional layer formed by spin-coating | Shoichi Mitsuuchi, Kenzo Wada, Ryogo Nitta | 2019-10-15 |
| 10338101 | Prober | — | 2019-07-02 |
| 6868552 | Ingress noise control system and ingress noise blocking device | Shigefumi Masuda, Minoru Ishida, Kazunari Inoue, Takayuki Tyou | 2005-03-15 |
| 6198478 | CATV transmission center apparatus, subscriber terminal device, CATV distribution system, and method of distributing program | Masao Ota, Shigefumi Masuda | 2001-03-06 |