Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4665324 | Touch control apparatus for electric appliances | Yoshio Ogino, Osamu Hiraoka | 1987-05-12 |
| 4603007 | Paste for forming a thick conductive film | Koushiro Shibata, Tohru Miyoshi, Isamu Hiraoka | 1986-07-29 |