Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4786770 | Switchgear | Suenobu Hamano, Hiroyuki Sasao, Yuichi Wada, Hirosi Hasegawa, Tosimasa Maruyama | 1988-11-22 |
| 4321506 | Discharge lamp and lighting equipment | Michihiro Tsuchihashi, Ryohei Itatani, Masatoshi Ryohko | 1982-03-23 |