Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654047 | Explosion-proof porcelain housings for gas-filled insulating apparatuses and process for producing such porcelain housings | Keiichi Asai, Yasunori Matsuura, Nagahiro Kawano, Masafumi Sugi | 1997-08-05 |
| 5621507 | Electrostatic latent image-developing device and toner cartridge used therefor | Toshinori Nishimura, Yasuyuki Ishiguro, Masahiro Higashitani | 1997-04-15 |