Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324933 | Electrical insulating oil compositions | Shoji Kimura, Noboru Ishida, Yoshiki Kohno | 1982-04-13 |
| 4189391 | Electrical insulating oil compositions | Shoji Kimura, Noboru Ishida, Yoshiki Kohno | 1980-02-19 |