Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12134150 | Arc welding control method with imposed currents | Noriyuki Matsuoka, Masaru Kowa, Junji Fujiwara | 2024-11-05 |
| 5132554 | Clock generating apparatus | Yonejirou Hiramatsu | 1992-07-21 |
| 5091705 | FM modulator | Yonejirou Hiramatsu | 1992-02-25 |
| 4334214 | Warning apparatus using microwaves | Yuuji Jitsumatsu | 1982-06-08 |