Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877931 | Switch having a visable indicator | Sachiya Sano | 1989-10-31 |
| 4870229 | Push-button switch with unlocking prevention assembly | Sachiya Sano | 1989-09-26 |
TK
Toshihiro Kawase
Overall (1989): #14,084 of 140,708Top 15%
2
Patents 1989