Issued Patents All Time
Showing 226–250 of 299 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6028048 | Detergent composition containing an aminodicarboxylic acid-N, N-dialkanoic acid or its salt | Chie Takahashi, Kouji Yanagihara, Kyoko Morikawa, Hiroshi Saito, Norio Arai +1 more | 2000-02-22 |
| 6013612 | Cleaning agent composition | Tohru Yamamoto, Sumio Soya | 2000-01-11 |
| 6002772 | Data management system | — | 1999-12-14 |
| 5972357 | Healthy foods and cosmetics | Fumio Yamaguchi, Hiroharu Ishikawa, Shigehiro Kataoka, Toshiaki Ariga | 1999-10-26 |
| 5974141 | Data management system | — | 1999-10-26 |
| 5941656 | Method of reinforcing asphalt-placed concrete structure | Tetsuya Sugiyama | 1999-08-24 |
| 5932050 | Method of producing a reinforcing fiber sheet | Tokuzou Ikeda, Akihiro Atsumi | 1999-08-03 |
| 5929006 | Cleaning agent composition | Tohru Yamamoto, Sumio Soya | 1999-07-27 |
| 5901339 | Pay broadcasting system | — | 1999-05-04 |
| 5867579 | Apparatus for data copyright management system | — | 1999-02-02 |
| 5848158 | Data copyright management system | Shoichi Okazaki | 1998-12-08 |
| 5818933 | Copyright control system | Hidetoshi Kambe, Atsuhiro Yamagishi | 1998-10-06 |
| 5794115 | Pay broadcasting system having a broadcasting station and a charging center | — | 1998-08-11 |
| 5765877 | Pipe joint | Hideto Sakane, Hisayuki Yagi, Nobuyuki Okuda, Koichi Inoue | 1998-06-16 |
| 5740246 | Crypt key system | — | 1998-04-14 |
| 5711834 | Method of reinforcing concrete slab | — | 1998-01-27 |
| 5685934 | Method of producing a reinforcing fiber sheet | Tokuzou Ikeda, Akihiro Atsumi | 1997-11-11 |
| 5653779 | Method for manufacturing quartz glass components and molding frame therefor | Hideki Tsuchida, Eiichi Shinomiya, Hiroyuki Kimura, Kimikazu Taniyama, Norikazu Fujii | 1997-08-05 |
| 5647206 | Exhaust emission purification apparatus | Takahiko Yamamoto, Hiroshi Mori, Masakazu Tanaka, Mamoru Mabuchi | 1997-07-15 |
| 5646999 | Data coypright management method | — | 1997-07-08 |
| 5634332 | Exhaust gas purification apparatus | Masakazu Tanaka, Hiroshi Mori, Mamoru Mabuchi, Hiroyuki Usami, Takahiko Yamamoto | 1997-06-03 |
| 5635263 | Reinforcing fiber sheet and concrete structure using same | — | 1997-06-03 |
| RE35490 | Thin film magnetic head having magnetic layers of different thickness and manufacturing method therefor | Masaki Ohura | 1997-04-08 |
| 5589143 | Exhaust gas purification apparatus for internal combustion engine | Hiroshi Mori, Masakazu Tanaka, Mamoru Mabuchi | 1996-12-31 |
| 5590008 | Magnetic disc unit having a plurality of magnetic heads which include multilayer magnetic films | Masanori Tanabe, Hiroshi Fukui, Tadayuki Iwakura, Kazuhiro Nakamoto, Moriaki Fuyama +4 more | 1996-12-31 |