Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5965949 | Engine-driven generator | Masahiro Fukuda, Tohru Nishikura, Masaru Sakamoto | 1999-10-12 |
| 5811907 | Small generator | Masahiro Fukuda, Youichi Haruta, Tohru Nishikura | 1998-09-22 |