Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845986 | Liquid level indication device | Chikahisa Hayashi, Makoto Kawai | 1989-07-11 |
| 4831878 | Structure for mounting liquid level meter | Chikahisa Hayashi, Makoto Kawai, Tatsuya Terayama, Nobutsugu Miyazaki, Hideo Yamamoto | 1989-05-23 |