Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12195913 | Grain-finished leather-like sheet and evaluation method for grain-finished leather-like sheet | Kansai Hara | 2025-01-14 |
| 11851812 | Grained leather-like sheet | Kansai Hara | 2023-12-26 |
| 11643773 | Grain-finished leather-like sheet | Kansai Hara | 2023-05-09 |
| 11268237 | Elastic artificial leather and production method therefor | Michinori Fujisawa, Yukio Maeda, Kazumasa Inoue, Yasutoshi Nomura, Hisaichi Watanabe | 2022-03-08 |
| 10465338 | Elastic artificial leather and production method therefor | Michinori Fujisawa, Yukio Maeda, Kazumasa Inoue, Yasutoshi Nomura, Hisaichi Watanabe | 2019-11-05 |
| 8283021 | Leather-like sheet and method of producing leather-like sheet | Daisuke Tanaka | 2012-10-09 |
| 8092324 | Sheet-like object for ball and ball | Koki Ogata, Yoshiaki Yasuda, Taketoshi Saeki | 2012-01-10 |
| 7820574 | Grain leather-like sheet having excellent scratch resistance and abrasion resistance | Norio Makiyama | 2010-10-26 |
| 7780172 | Rotation shaft seal | Hironori Oida | 2010-08-24 |
| 7722052 | Rotation shaft seal | Hironori Oida | 2010-05-25 |
| 7704900 | Artificial leather sheets and method for producing them | Shinichi Yoshimoto, Hisao Yoneda | 2010-04-27 |
| 7083171 | Metal seal and attachment method for the same and tight-seal construction | Hironori Oida, Takayoshi Mitsui | 2006-08-01 |
| 7004479 | Metal seal and attachment method for the same and tight-seal construction | Hironori Oida, Takayoshi Mitsui | 2006-02-28 |
| 6773771 | Ink-jet recording sheet | Yukio Tokunaga | 2004-08-10 |
| 6613416 | Ink-jet recording material | Yukio Tokunaga | 2003-09-02 |
| 6450036 | Method and device for diagnosing deterioration of an article having at least a covering layer organic polymer material | Tsuyoshi Ikeda, Junichiro Ikehara, Masanori Fujii, Hiroshi Ishibashi, Yoshiro Habuka +3 more | 2002-09-17 |
| 6403162 | Silica dispersion, method for preparing the same and method for making ink-jet recording material using the same | Yukio Tokunaga, Hajime Sugita | 2002-06-11 |
| 6357871 | Ink jet recording medium, apparatus for preparing an ink jet printed product, and ink jet printed product | Tomoko Ishimaru, Takao Senga, Sadao Kuriu, Shigehiko Miyamoto | 2002-03-19 |
| 6200706 | Nonwoven fabric for separator of non-aqueous electrolyte battery and non-aqueous electrolyte battery using the same | Takahiro Tsukuda | 2001-03-13 |
| 5912193 | Thermoplastic polyurethanes and molded articles comprising them | Shizuo Iwata, Shinya Katoh, Kimio Nakayama, Hisao Yoneda, Michihiro Ishiguro +1 more | 1999-06-15 |
| 5891811 | Indicator material | Masayoshi Ikezawa | 1999-04-06 |
| 5824462 | Resin-coated paper | Touru Noda, Osamu Kojima, Tomoichi Morita, Nobushige Ikeya, Takuya Seri +1 more | 1998-10-20 |
| 5821180 | Laminate comprising a polyurethane layer | Shizuo Iwata, Shinya Kato, Hisao Yoneda, Koji Hirai | 1998-10-13 |
| 5780573 | Thermoplastic polyurethanes and molded articles comprising them | Shizuo Iwata, Shinya Katoh, Kimio Nakayama, Hisao Yoneda, Michihiro Ishiguro +1 more | 1998-07-14 |
| 5503899 | Suede-like artificial leather | Hisao Yoneda, Tuyosi Yamasaki | 1996-04-02 |