Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4639833 | New electrical insulating oil and oil-filled electrical appliances | Atsushi Sato, Keiji Endo, Shigenobu Kawakami | 1987-01-27 |
| 4591948 | Oil-filled capacitor | Atsushi Sato, Keiji Endo, Shigenobu Kawakami | 1986-05-27 |
| 4568793 | Electrical insulating oil and oil-filled electrical appliances | Atsushi Sato, Shigenobu Kawakami, Keiji Endo | 1986-02-04 |