Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852041 | Interface converter | — | 1989-07-25 |
| 4839964 | Fixing structure of blade force up spring for clothes shaver and electric shaver | Hiromi Uchiyama | 1989-06-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852041 | Interface converter | — | 1989-07-25 |
| 4839964 | Fixing structure of blade force up spring for clothes shaver and electric shaver | Hiromi Uchiyama | 1989-06-20 |