Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6173504 | Measuring instrument, probe for the same, and measuring method | Yukiharu Ohtsuka, Yoshio Saruki | 2001-01-16 |
| 6065220 | Measuring instrument, probe for the same, and measuring method | Yukiharu Ohtsuka, Yoshio Saruki | 2000-05-23 |
| 5028906 | Humidity sensor | Ryuji Kojima, Kentaro Nagano, Kazuhiro Ishikura, Yasuo Imai, Yasunobu Matsushima | 1991-07-02 |
| 4341558 | Metal surface coating agent | Kuniji Yashiro | 1982-07-27 |