Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5044233 | Depth adjuster for rotary tools such as screwdrivers | Kunihiko Tatsu, Masao Torigoe, Masao Yamamoto | 1991-09-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5044233 | Depth adjuster for rotary tools such as screwdrivers | Kunihiko Tatsu, Masao Torigoe, Masao Yamamoto | 1991-09-03 |