Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12000507 | Pipe, spool forming die, and pipe manufacturing method | Daisuke Izumikawa, Mikuto Wakayama, Masahito Hosoi | 2024-06-04 |
| 7470738 | Non-aqueous absorbent and use thereof | Kazuya Ohtani, Takeaki Yamaguchi, Youji Fujiura | 2008-12-30 |
| 7314687 | Gelling agent for alkaline cell and alkaline cell | Takeaki Yamaguchi | 2008-01-01 |
| 6667133 | Gelating agent for alkaline cell and alkaline cell | Masami Koike, Yukio Zenitani | 2003-12-23 |
| 6303711 | Water-absorbent or water-retention material and production method thereof | Masami Koike, Yoji Fujiura, Mihoko Nomoto | 2001-10-16 |
| 6130304 | Water-absorbent or water-retention material and production method thereof | Masami Koike, Yoji Fujiura, Mihoko Nomoto | 2000-10-10 |
| 6101077 | Electrostatic protection circuit of a semiconductor device | Toru Matsumoto, Yasuaki Otaka | 2000-08-08 |
| 5882784 | Metal-film laminate | Iwao Tanaka, Kunio Shibatsuji, Hirokazu Kurome, Seiya Sugiura, Wataru Ooe | 1999-03-16 |
| 5724915 | Material for the treatment of pet excretion and method of producing the same material | Kengo Ochi, Yuko Kawasaki, Yukio Zenitani | 1998-03-10 |
| 5698308 | Polyester film for use of a laminate with a metal plate | Iwao Tanaka, Kunio Shibatsuji, Hirokazu Kurome, Seiya Sugiura, Wataru Ooe | 1997-12-16 |
| 5668078 | Water-absorbent resin particles and the production thereof | Masanori Koike, Kenji Tanaka | 1997-09-16 |
| 5591518 | Polyester film for use of a laminate with a metal plate | Iwao Tanaka, Kunio Shibatsuji, Hirokazu Kurome, Seiya Sugiura, Wataru Ooe | 1997-01-07 |
| 5384368 | Process for producing water absorbent resin | Masashi Date, Hitoshi Takai | 1995-01-24 |
| 5380808 | Process for producing water-absorbing resins | Masashi Date, Kenji Tanaka | 1995-01-10 |
| 5061565 | Film for heat-sensitive mimeograph stencil | Seizo Aoki, Kenji Tsunashima, Toshiya Yoshii, Yasuji Nakahara, Takashi Mimura | 1991-10-29 |
| 5051475 | Polyester-based film | Kenji Tsunashima, Takashi Mimura, Hiroshi Kuboyama | 1991-09-24 |
| 5002986 | Fluid absorbent compositions and process for their preparation | Yoji Fujiura | 1991-03-26 |
| 4908277 | Polyester film | Kenji Tsunashima, Takashi Mimura, Hiroshi Kuboyama | 1990-03-13 |
| 4786558 | Composite film and antistatic composite film comprising a swellable inorganic silicate | Kenji Yabe, Takashi Mimura, Satoyuki Minami | 1988-11-22 |