Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5179956 | Contact pressure sensor | Chikao Harada, Norio Kawamura, Ryuji Nakashima, Arihiro Takahashi, Toshimasa Yamazaki +1 more | 1993-01-19 |
| 4901733 | Pulse wave detecting apparatus | Noriyuki Kaida, Hifumi Yokoe, Chikao Harada, Minoru Niwa | 1990-02-20 |