Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36293 | Polyalkylene glycol polycarbonate based lubricant oil composition | Yoshihisa Kiso, Tetsuo Hayashi, Masahide Tanaka | 1999-09-07 |
| 5656578 | Monocarbonates, use thereof and process for the preparation of compositions containing monocarbonates | Masahide Tanaka, Tetsuo Hayashi, Takashi Hayashi, Kunihiko Takeuchi, Hajime Oyoshi | 1997-08-12 |
| 5639719 | Lubricating oil containing aromatic ether compounds | Masahide Tanaka, Masayasu Ishibashi, Takashi Hayashi, Hajime Oyoshi, Tetsuo Hayashi | 1997-06-17 |
| RE34914 | Lubricant oil for refrigerators | Yoshiaki Furuya | 1995-04-25 |
| 5387354 | Polyalkylene glycol polycarbonate based lubricant oil composition | Yoshihisa Kiso, Tetsuo Hayashi, Masahide Tanaka | 1995-02-07 |
| 5326486 | Lubricating oil composition | Kazuyuki Watanabe, Hidenori Kaya, Takashi Hayashi, Kenji Shimamoto, Masahide Tanaka +1 more | 1994-07-05 |
| 5294356 | Polycarbonates, uses thereof, processes for preparing and purifying same | Masahide Tanaka, Yoshihisa Kiso, Kazunori Takahata, Tetsuo Hayashi, Kenji Shimamoto +2 more | 1994-03-15 |
| 5238590 | Lubricant oil, polyalkylene glycol polycarbonates and process for preparing them | Yoshihisa Kiso, Tetsuo Hayashi, Masahide Tanaka | 1993-08-24 |
| 5114605 | Lubricant oil for refrigerators | Yoshiaki Furuya | 1992-05-19 |
| 5013785 | Pressure-sensitive adhesive composition comprising poly-4-methyl-1-pentene as tackifier | — | 1991-05-07 |
| 5013867 | Liquid oxidatively modified ethylenic random copolymer, process of making and use | Tatsuo Kinoshita, Shuji Minami, Ryousuke Kaneshige | 1991-05-07 |
| 4997586 | Medium for transmitting motive power | Harumi Furuta | 1991-03-05 |
| 4943658 | Liquid oxidatively modified ethylenic random copolymer, process of making and use | Tatsuo Kinoshita, Shuji Minami, Ryousuke Kaneshige | 1990-07-24 |
| 4877557 | Lubricating oil composition | Ryousuke Kaneshige | 1989-10-31 |
| 4570024 | Novel substituted aromatic hydrocarbons, processes for production thereof, and use thereof | Masami Takeda, Yoshimi Ozaki, Ryosuke Tomita | 1986-02-11 |
| 4533700 | Hydrocarbon resin and modified hydrocarbon resin product thereof | Masami Takeda, Tadao Iwata | 1985-08-06 |
| 4513130 | Hydrocarbon resin and modified hydrocarbon resin product thereof | Masami Takeda, Tadao Iwata | 1985-04-23 |