Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5111201 | System radio transmission of liquid level data and battery saving technique | Hiroshi Matsumura, Norio Shimamura, Masaru Kawabe, Makoto Shimizu, Naoaki Natori +1 more | 1992-05-05 |
| 4938315 | Apparatus for exchanging oil for device having oil pan for circulating oil therebetween | Masaru Kawabe, Fumitaka Uemura, Yoshiyuki Satoh, Naohiko Suzuki | 1990-07-03 |
| 4434657 | Liquid quantity measuring apparatus | Hiroshi Matsumura, Tetsuo Nozaki, Makoto Shimizu, Shigeru Sugizaki | 1984-03-06 |