Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203665 | Method of producing polyarylene sulfide | Michihisa Miyahara, Kenji Suzuki, Hiroshi Sakabe | 2021-12-21 |
| 10800884 | Method of producing polyarylene sulfide | Michihisa Miyahara, Kenji Suzuki, Hiroshi Sakabe | 2020-10-13 |
| 9422402 | Method of producing polyarylene sulfide and polyarylene sulfide | Kenji Suzuki, Yasuhiro Suzuki | 2016-08-23 |
| 7931967 | Thermally foamable microsphere and production process thereof | Yasuhiro Tasaki, Genzo Asai | 2011-04-26 |
| 7252882 | Thermally foamable microsphere and production process thereof | Genzo Asai | 2007-08-07 |
| 7232607 | Thermally foamable microsphere and production process thereof | Genzo Asai | 2007-06-19 |
| 6613810 | Expandable microspheres and process for producing the same | Tetsuo Ejiri, Genzo Asai | 2003-09-02 |
| 5840830 | Process for producing poly(arylene sulfide) | Michihisa Miyahara, Hiroyuki Sato | 1998-11-24 |
| 5744576 | Process for producing poly(phenylene sulfide) | Michihisa Miyahara, Hiroyuki Sato | 1998-04-28 |
| 5650459 | Poly (arylene sulfide) resin composition | Toshihiko Ono | 1997-07-22 |
| 5391645 | Poly(arylene thioether-ketone) copolymer and production process thereof | Yoshiyuki Inaguma, Yasuhiro Suzuki | 1995-02-21 |
| 5391646 | Poly(arylene thioether-ketone) copolymer and production process thereof | Yoshiyuki Inaguma, Yasuhiro Suzuki | 1995-02-21 |
| 5380783 | Poly(arylene sulfide) resin composition | Toshihiko Ono, Yoshinobu Itoh, Yukio Ichikawa | 1995-01-10 |
| 5378771 | High-heat-resistant, crystalline block copolymers and production process thereof | Yoshiyuki Inaguma, Shinji Yamamoto | 1995-01-03 |
| 5378772 | High-heat-resistant, crystalline block copolymers and production process thereof | Yoshiyuki Inaguma, Shinji Yamamoto | 1995-01-03 |
| 5378770 | Poly(arylene thioether-ketone-ketone) copolymer and production process thereof | Yoshiyuki Inaguma, Jiro Masuko | 1995-01-03 |
| 5374692 | Poly (arylene thioether-ketone-ketone) copolymer and production process thereof | Yoshiyuki Inaguma, Jiro Masuko | 1994-12-20 |
| 5324814 | Production process of arylene thioether copolymer | Yukichika Kawakami, Mitsuru Hoshino | 1994-06-28 |
| 5288815 | Poly(arylene thioether-ketone) copolymer and production process thereof | Yoshiyuki Inaguma, Yasuhiro Suzuki | 1994-02-22 |
| 5286814 | Heat-resistant stretched film and production process thereof | Toshiya Mizuno, Yoshikichi Teramoto, Takeshi Saito, Juichi Wakabayashi, Ken Kashiwadate +1 more | 1994-02-15 |
| 5258440 | Resin compositions of high heat resistance | Yoshiyuki Inaguma, Ken Kashiwadate | 1993-11-02 |
| 5250636 | Poly(arylene thioether-ketone-ketone) copolymer and production process thereof | Yoshiyuki Inaguma, Jiro Masuko | 1993-10-05 |
| 5248743 | High-heat-resistant, crystalline block copolymers and production process thereof | Yoshiyuki Inaguma, Shinji Yamamoto | 1993-09-28 |
| 5153264 | Poly(arylene thioether) block copolymer and production process thereof | Shinji Yamamoto, Takashi Kaneko, Masahito Tada, Ken Kashiwadate, Toshiya Mizuno +3 more | 1992-10-06 |
| 5153278 | Poly(arylene thioether) block copolymer and production process thereof | Shinji Yamamoto, Takashi Kaneko, Masahito Tada, Ken Kashiwadate, Toshiya Mizuno +3 more | 1992-10-06 |