Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11466156 | Asphalt composition | Ryoji Iwamoto, Ryoichi Hashimoto, Eiji Shirai | 2022-10-11 |
| 8972309 | Automatic updating apparatus, automatic updating method, and programmable storage medium embodying program to perform method for automatic updating | — | 2015-03-03 |
| 8777526 | Deep hole processing device | Yasuo Nagase, Shigeki Otaka | 2014-07-15 |
| 8117148 | Automatic updating apparatus, automatic updating method, and programmable storage medium embodying program to perform method for automatic updating | — | 2012-02-14 |
| 7744725 | Paper quality improver | Kazuo Kubota, Zenbei Meiwa, Yoshihiro Hasebe | 2010-06-29 |
| 7297229 | Paper bulking promoter | Yasushi Ikeda, Yoichi Ishibashi, Takaaki Tadokoro | 2007-11-20 |
| 7122098 | Paper quality improver for papermaking and method for producing pulp sheet | Takaaki Tadokoro, Yasushi Ikeda, Toshiyuki Nishimori | 2006-10-17 |
| 6639600 | Image drawing method, image drawing apparatus, recording medium, and program | Yoshikazu Satake | 2003-10-28 |
| 6599392 | Paper bulking promoter | Takaaki Tadokoro, Yasushi Ikeda, Takayuki Ikenaga, Atsuhito Mori, Yoichi Ishibashi +2 more | 2003-07-29 |
| 6576085 | Paper bulking promoter | Yasushi Ikeda, Yoichi Ishibashi, Takaaki Tadokoro | 2003-06-10 |
| 6565708 | Paper quality improver composition for papermaking | Yasushi Ikeda, Takaaki Tadokoro | 2003-05-20 |
| 6346169 | Paper bulking promoter | Yasushi Ikeda, Yoichi Ishibashi, Takaaki Tadokoro | 2002-02-12 |
| 6312559 | Deinking process using amine compounds and white water recycling | Yuichi Irinatsu, Yoshitaka Miyauchi | 2001-11-06 |
| 6273995 | Paper bulking promoter, highly bulky pulp sheet, and process for producing the pulp sheet | Yasushi Ikeda, Toshiki Sowa, Koji Hamaguchi | 2001-08-14 |
| 6251220 | Wastepaper deinking method using amine or acid salt of amine in the flotation stage | Yuichi Irinatsu, Yoshitaka Miyauchi | 2001-06-26 |
| 6197168 | Electrochemical stain prevention apparatus of submerged structure and process for producing submerged structure used in this apparatus | Tadashi Matsunaga, Tsuruo Nakayama, Hitoshi Wake, Kin-ichi Ozawa, Noriyuki Nakamura +3 more | 2001-03-06 |
| 6179957 | Method for controlling deinking process using contact angle | Yuichi Irinatsu, Yoshitaka Miyauchi | 2001-01-30 |
| 6103056 | Method for controlling deinking flotation using interfacial potential of ink particles and pulp | Yuichi Irinatsu, Yoshitaka Miyauchi | 2000-08-15 |
| 5832251 | Emulation device | — | 1998-11-03 |
| 5801135 | Deinking composition comprising a fatty acid mixture and a nonionic surfactant | Yoshitaka Miyauchi, Toshiki Sowa, Koji Hamaguchi, Daisuke Shiba | 1998-09-01 |
| 5672244 | High temperature deinking method using an alkylene oxide adduct | Koji Hamaguchi | 1997-09-30 |
| 5325512 | Circuit emulator | — | 1994-06-28 |
| 5302243 | Deinking method | Yoichi Ishibashi, Yoshinao Kono, Yoshitaka Miyauchi, Takanobu Shiroishi | 1994-04-12 |
| 5288369 | Deinking method and deinking composition | Yoichi Ishibashi, Yoshitaka Miyauchi, Koji Hamaguchi, Hideaki Urushibata, Takanobu Shiroishi | 1994-02-22 |
| 5282928 | Deinking composition | Yoichi Ishibashi, Yoshitaka Miyauchi, Takanobu Shiroishi, Yoshinao Kono | 1994-02-01 |