Issued Patents All Time
Showing 226–250 of 288 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230417 | Distributing transportation device | Masao Naramoto | 1993-07-27 |
| 5171906 | Process for treating by-product oil | Shigenobu Kawakami, Keiji Endo, Hideyuki Dohi | 1992-12-15 |
| 5170755 | Valve opening and closing timing control apparatus | Junichi Kano | 1992-12-15 |
| 5134761 | Electrical insulating oil composition and capacitors prepared therewith | Shigenobu Kawakami, Keiji Endo, Hideyuki Dohi | 1992-08-04 |
| 5113029 | Electric insulating oil composition | Shigenobu Kawakami, Keiji Endo, Hideyuki Dohi | 1992-05-12 |
| 5107395 | Method of producing insulating oil comprising dibenzylbenzene | Shigenobu Kawakami, Keiji Endo, Hideyuki Dohi | 1992-04-21 |
| 5081758 | Electrical insulating oil composition and capacitors prepared therewith | Shigenobu Kawakami, Keiji Endo | 1992-01-21 |
| 5081757 | Electrical insulating oil composition and capacitors prepared therewith | Shigenobu Kawakami, Keiji Endo, Hideyuki Dohi | 1992-01-21 |
| 5017733 | Electrical insulating oil composition | Shigenobu Kawakami, Keiji Endo, Hideyuki Dohi | 1991-05-21 |
| 5015793 | Electrical insulating oil composition | Shigenobu Kawakami, Keiji Endo, Hideyuki Dohi | 1991-05-14 |
| 4994539 | Method for improving impulse destructive stength of electrical insulating materials | Yuichi Orikasa, Shinji Kojima, Takashi Inoue, Kaoru Yamamoto, Shigenobu Kawakami | 1991-02-19 |
| 4987424 | Film antenna apparatus | Kazuhiko Tamura, Yutaka Aizawa, Yoshiyuki Suzuki | 1991-01-22 |
| 4982025 | Electrical insulating oil comprising improved fraction | Shigenobu Kawakami, Keiji Endo, Hideyuki Dohi | 1991-01-01 |
| 4967028 | Electrical insulating oil composition and electrical appliances impregnated therewith | Shigenobu Kawakami, Keiji Endo, Hideyuki Dohi | 1990-10-30 |
| 4945368 | Camera with built-in electronic flash | Tokio Ishino, Motokuni Demura | 1990-07-31 |
| 4902841 | Method for producing electrical insulating oil composition | Shigenobu Kawakami, Keiji Endo, Hideyuki Dohi | 1990-02-20 |
| 4899009 | Method for producing m-benzyltolune | Shigenobu Kawakami, Keiji Endo, Hideyuki Dohi | 1990-02-06 |
| 4870221 | Oil-filled capacitor | Shigenobu Kawakami, Keiji Endo, Hideyuki Dohi | 1989-09-26 |
| 4827065 | Method of producing p-isobutylstyrene and a starting compound therefor | Isoo Shimizu, Ryotaro Hirano, Yasuo Matsumura, Hideki Nomura, Kazumichi Uchida | 1989-05-02 |
| 4804729 | Electrical insulating material and power cable comprising a crosslinked layer thereof | Yuichi Orikasa, Shinji Kojima, Takashi Inoue, Shigenobu Kawakami, Kaoru Yamamoto | 1989-02-14 |
| 4803238 | Polymer composition | Keiji Endo, Shigenobu Kawakami, Eiichi Matsuzaka, Satoshi Narui | 1989-02-07 |
| 4802058 | Novel method for refining electrical insulating oil | Shigenobu Kawakami, Keiji Endo, Hideyuki Dohi | 1989-01-31 |
| 4761508 | 1,1-(3-ethylphenyl)phenylethylene and method for preparing it | Isoo Shimizu, Yasuo Matsumura, Shigenobu Kawakami | 1988-08-02 |
| 4755275 | Electrical insulating oil | Yoshikazu Murai, Tatsuo Yamaguchi, Kanji Mochizuki, Kunio Sugisawa | 1988-07-05 |
| 4750083 | Electrical insulating oil composition | Shigenobu Kawakami, Keiji Endo, Hideyuki Dohi | 1988-06-07 |