Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8648022 | Lubricating oil for refrigerator and hydraulic fluid composition for refrigerator using the same | Toshinori Tazaki, Hirotaka Yamazaki | 2014-02-11 |
| 7423071 | Polypropylene based resin composition, expanded moldings comprising the same and method for production thereof | Ryoji Nakayama | 2008-09-09 |
| 6596782 | Hydrous polyolefin resin composition, preexpanded particles produced therefrom, process for producing the same, and expanded molding | Tsuyoshi Mihayashi, Kyoichi Nakamura, Naruhiko Akamatsu | 2003-07-22 |
| 6506807 | Process for preparing pre-expanded particles of thermoplastic resin | Yutaka Yanagihara, Naruhiko Akamatsu | 2003-01-14 |
| 6261474 | Lubricating oil for compression-type refrigerators containing pentafluoroethane and a polyvinyl ether | Tatsuya Egawa, Hirotaka Yamasaki, Satoshi Nagao, Toyokazu Handa, Masato Kaneko | 2001-07-17 |
| 6214896 | Water-containing polypropylene resin composition and pre-expanded particles made thereof | Yasumitsu Munakata, Kenichi Senda | 2001-04-10 |
| 5886088 | Polyethylene terephthalate resin composition | Kazuaki Matsumoto, Masahiko Mihoichi, Youichi Ohara, Kazushi Hirobe, Tadashi Koyama | 1999-03-23 |
| 5871570 | Flame-retardant resin composition | Tadashi Koyama, Masahiro Asada | 1999-02-16 |
| 5684071 | Additive for thermpolastic resins and flame retardant resin composition | Masaaki Nakamura, Tadashi Koyama, Tomomi Nakashima, Akiyoshi Somemiya | 1997-11-04 |
| 5616812 | Method of producing a polyvinyl ether compound | Tatsuya Egawa, Yasuhiro Kawaguchi, Nobuaki Shimizu | 1997-04-01 |
| 5589597 | Process of producing ether compound | Tatsuya Egawa, Yasuhiro Kawaguchi, Nobuaki Shimizu | 1996-12-31 |
| 5523491 | Process of producting ether compound | Tatsuya Egawa, Yasuhiro Kawaguchi, Nobuaki Shimizu | 1996-06-04 |
| 5518643 | Lubricating oil containing a polyvinyl ether compound for compression-type refrigerators | Tatsuya Egawa, Yasuhiro Kawaguchi, Nobuaki Shimizu | 1996-05-21 |
| 5508316 | Resin composition capable of exhibiting high melt viscoelasticity, aromatic polyester resin foamed body produced therefrom and process for producing the foamed body | Masaaki Nakamura, Tadashi Koyama, Tomomi Nakashima, Akiyoshi Somemiya | 1996-04-16 |
| 5449472 | Lubricating oil for compression-type refrigerators | Tatsuya Egawa, Yasuhiro Kawaguchi, Nobuaki Shimizu | 1995-09-12 |
| 5399631 | Polyvinyl ether compound | Tatsuya Egawa, Yasuhiro Kawaguchi, Nobuaki Shimizu | 1995-03-21 |
| 5250595 | Flame-retardant resin composition | Shunitsu Miyashita | 1993-10-05 |
| 4914152 | Polyester resin composition | Shunitsu Miyashita | 1990-04-03 |
| 4898911 | Resin composition | Shunitsu Miyashita | 1990-02-06 |
| 4786663 | Flame retardant resin compositions | Shunitsu Miyashita | 1988-11-22 |