Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325952 | Napped artificial leather and method for producing the same | Hiroyuki Hishida, Masashi Meguro | 2025-06-10 |
| 12043956 | Napped artificial leather | Hiroyuki Hishida | 2024-07-23 |
| 11499266 | Grained artificial leather and method for manufacturing grained artificial leather | Hayaki SATO, Naoto NARUMOTO, Akihisa Iwamoto | 2022-11-15 |
| 11015288 | Grained artificial leather | Naoto NARUMOTO | 2021-05-25 |
| 8883662 | Leather-like sheet bearing grain finish and process for producing the same | Jiro Tanaka, Tsuyoshi Yamasaki, Yoshiyuki Ando, Norio Makiyama | 2014-11-11 |
| 8647179 | Polishing pad, and method for manufacturing polishing pad | Nobuo Takaoka, Mitsuru Kato, Hirofumi Kikuchi, Jiro Tanaka | 2014-02-11 |
| 8445391 | Leather-like sheet and method of manufacturing the same | Tsuyoshi Yamasaki, Nobuo Takaoka, Jiro Tanaka | 2013-05-21 |
| 8178184 | Process for producing intertwined ultrafine filament sheet | Yoshiaki Yasuda, Jiro Tanaka, Yoshiyuki Ando, Yoshiki Nobuto, Yoshihiro Tanba +1 more | 2012-05-15 |
| 7951452 | Suede artificial leather and production method thereof | Tsuyoshi Yamasaki, Nobuo Takaoka, Mitsuru Kato, Shuhei Yorimitsu | 2011-05-31 |
| 7745504 | Process for producing porous spherical polyamide particle | Tatsuya Shoji, Yukihiko Asano, Shigeru Yao | 2010-06-29 |
| 7122596 | Artificial leather and method of producing the same | Mitsuru Kato, Nobuo Takaoka | 2006-10-17 |
| 6909766 | Production method for a nuclear fuel assembly support grid and a nuclear fuel assembly support grid produced by the same | Toshiya Kido, Yasunao Yamaguchi | 2005-06-21 |
| 6901128 | Foreign matter filter for fuel assembly in pressurized water reactor | Masaji Mori, Juntaro Shimizu, Kazuki Monaka, Takashi Shimomura, Toshifumi Naito | 2005-05-31 |
| 6767853 | Fibrous substrate for artificial leather and artificial leather using the same | Tsuyoshi Yamasaki, Yoshihiro Tamba | 2004-07-27 |
| 6565962 | Polyimide porous film | Shyusei Ohya, Yuuichi Fujii, Shigeru Yao, Yukihiko Asano, Kenji Fukunaga | 2003-05-20 |
| 6429403 | Supporting grid welding apparatus | — | 2002-08-06 |
| 6339205 | Grid support welding apparatus | — | 2002-01-15 |
| 5912193 | Thermoplastic polyurethanes and molded articles comprising them | Shizuo Iwata, Shinya Katoh, Tetsuya Ashida, Hisao Yoneda, Michihiro Ishiguro +1 more | 1999-06-15 |
| 5780573 | Thermoplastic polyurethanes and molded articles comprising them | Shizuo Iwata, Shinya Katoh, Tetsuya Ashida, Hisao Yoneda, Michihiro Ishiguro +1 more | 1998-07-14 |
| 5688890 | Thermoplastic polyurethane composition | Michihiro Ishiguro, Tatuya Oshita, Hiroyuki Ono, Koji Hirai | 1997-11-18 |
| 5606005 | Polyurethane and molded article comprising the same | Tatuya Oshita, Michihiro Ishiguro, Koji Hirai, Shigeaki Suzuki, Noriaki Yoshimura | 1997-02-25 |
| 5283289 | Fiber-reinforced rubber composition and production process thereof and fiber-reinforced elastic product | Shinji Yamamoto, Kouhei Kaijiri, Kouichi Nagakura, Denichi Oda, Yasuo Matsumori | 1994-02-01 |
| 5043388 | Fiber-reinforced rubber composition and production process thereof and fiber-reinforced elastic product | Shinji Yamamoto, Kouhei Kaijiri, Kouichi Nagakura, Denichi Oda, Yasuo Matsumori | 1991-08-27 |
| 4703086 | Fiber-reinforced rubber composition and production process thereof and fiber-reinforced elastic product | Shinji Yamamoto, Kouhei Kaijiri, Kouichi Nagakura, Denichi Oda, Yasuo Matsumori | 1987-10-27 |