Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6172146 | Hot-melt composition and a modified aromatic petroleum resin used therefor | — | 2001-01-09 |
| 4734824 | Electrical insulating oil and electrical appliances impregnated with the same | Atsushi Sato, Keiji Endo, Shigenobu Kawakami, Shozo Hayashi | 1988-03-29 |
| 4681980 | Method for improving an electrical insulating hydrocarbon | Atsushi Sato, Keiji Endo, Shigenobu Kawakami, Shozo Hayashi | 1987-07-21 |
| 4621302 | Electrical insulating oil and electrical appliances impregnated with the same | Atsushi Sato, Keiji Endo, Shigenobu Kawakami, Shozo Hayashi | 1986-11-04 |
| 4618914 | Electrical insulating oil and oil-filled electrical appliances | Atsushi Sato, Keiji Endo, Shigenobu Kawakami, Shozo Hayashi | 1986-10-21 |
| 4549034 | Refined electrical insulating oil and oil-filled electrical appliances | Atsushi Sato, Keiji Endo, Shigenobu Kawakami, Shozo Hayashi | 1985-10-22 |
| 4543207 | Electrical insulating oil and oil-filled electrical appliances | Atsushi Sato, Keiji Endo, Shigenobu Kawakami, Shozo Hayashi | 1985-09-24 |
| 4506107 | Electrical insulating oil and oil-filled electrical appliances | Atsushi Sato, Keiji Endo, Shigenobu Kawakami, Shozo Hayashi | 1985-03-19 |
| 4493943 | Electrical insulating oil and oil-filled electrical appliances | Atsushi Sato, Keiji Endo, Shigenobu Kawakami, Shozo Hayashi | 1985-01-15 |
| 4442027 | Electrical insulating oil composition | Atsushi Sato, Naoya Takahashi, Keiji Endo | 1984-04-10 |
| 4347169 | Electrical insulating oil and oil-filled electrical appliances | Atsushi Sato, Naoya Takahashi, Keiji Endo | 1982-08-31 |
| 4329536 | Oil-impregnated power cable | Atushi Sato, Isoo Shimizu, Keizi Endo | 1982-05-11 |