Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4367574 | Fluorescent tube holder | Masatoshi Hayakawa, Michio Takahara | 1983-01-11 |
| 4311457 | Basing heating apparatus | Masatoshi Hayakawa | 1982-01-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4367574 | Fluorescent tube holder | Masatoshi Hayakawa, Michio Takahara | 1983-01-11 |
| 4311457 | Basing heating apparatus | Masatoshi Hayakawa | 1982-01-19 |