Issued Patents All Time
Showing 276–288 of 288 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4493943 | Electrical insulating oil and oil-filled electrical appliances | Keiji Endo, Shigenobu Kawakami, Hitoshi Yanagishita, Shozo Hayashi | 1985-01-15 |
| 4442027 | Electrical insulating oil composition | Naoya Takahashi, Keiji Endo, Hitoshi Yanagishita | 1984-04-10 |
| 4429346 | Ceramic capacitor | Hiroshi Tsuyuki | 1984-01-31 |
| 4390194 | Recording material | Isoo Shimizu, Naoya Takahashi | 1983-06-28 |
| 4356530 | Ceramic capacitor | Hiroshi Tsuyuki | 1982-10-26 |
| 4347169 | Electrical insulating oil and oil-filled electrical appliances | Naoya Takahashi, Keiji Endo, Hitoshi Yanagishita | 1982-08-31 |
| 4309297 | Heat storage material | Yoshikazu Murai, Nobuaki Mita | 1982-01-05 |
| 4289918 | Aralkylation | Isoo Shimizu, Masahito Gotoh | 1981-09-15 |
| 4289806 | Pressure-sensitive recording material | Isoo Shimizu, Eiichi Matsuzaka | 1981-09-15 |
| 4287376 | Method for aralkylation | Isoo Shimizu, Okitsugu Tsuji, Eiichi Matsuzaka | 1981-09-01 |
| 4254292 | Method for preparing polycyclic aromatic hydrocarbons | Isoo Shimizu, Okitsugu Tsuji, Eiichi Matsuzaka | 1981-03-03 |
| 4208268 | Method of processing thermal cracked by-product oil | Isoo Shimizu, Eiichi Matsuzaka | 1980-06-17 |
| 4193764 | Fat-liquoring compositions for leather | Yoshikazu Murai, Okitsugu Tsuji | 1980-03-18 |