Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7172642 | Magnetic metal particles containing iron as main component, process for producing the same and magnetic recording medium using the same | Yasutaka Ota, Haruki Kurokawa, Masaaki Maekawa | 2007-02-06 |
| 6939909 | Mg-Al-based hydrotalcite-type particles, chlorine-containing resin composition and process for producing the particles | Naoya Kobayashi, Torayuki Honmyo, Tsutomu Katamoto | 2005-09-06 |
| 6924616 | Rotational driving apparatus | Junichi Hasegawa | 2005-08-02 |
| 6919396 | Mg-Al-based hydrotalcite-type particles, chlorine-containing resin composition and process for producing the particles | Naoya Kobayashi, Torayuki Honmyo, Tsutomu Katamoto | 2005-07-19 |
| 6777563 | 3-fluoroalkoxymethyl-3-alkyloxetanes | — | 2004-08-17 |
| 6753084 | Spindle-shaped magnetic alloy particles for magnetic recording, and magnetic recording medium | Masaaki Maekawa, Haruki Kurokawa, Kenji Okinaka, Yasutaka Ota | 2004-06-22 |
| 6673947 | Process for preparing 3-fluoroalkoxymethyl-3-alkyloxetanes | — | 2004-01-06 |
| 6673948 | Fluorinated oxetane derivatives and production process thereof | Tetsuya Masutani | 2004-01-06 |
| 6509405 | Mg-Al-based hydrotalcite-type particles, chlorine-containing resin composition and process for producing the particles | Naoya Kobayashi, Torayuki Honmyo, Tsutomu Katamoto | 2003-01-21 |
| 6472573 | Process for producing 1,1,1,3,3-pentafluoropropane | Noriaki Shibata, Tatsuo Nakada, Takashi Shibanuma | 2002-10-29 |
| 6413639 | Mg-Al based hydrotalcite-type particles, chlorine-containing resin stabilizer and process for producing the particles | Naoya Kobayashi, Torayuki Honmyo, Tsutomu Katamoto | 2002-07-02 |
| 6291728 | Process for producing 1,1,1,3,3-pentafluoropropane | Hirokazu Aoyama, Tatsuo Nakada | 2001-09-18 |
| 6099957 | Plate-like ferrite particles with magnetoplumbite structure and magnetic card using the same | Kazutoshi Sanada, Shigehisa Yamamoto | 2000-08-08 |
| 6060628 | Manufacturing method for 1,1,1,3,3-pentafluoropropane | Hirokazu Aoyama, Noriaki Shibata | 2000-05-09 |
| 6017631 | Plate-like ferrite particles with magnetoplumbite structure and magnetic card using the same | Kazutoshi Sanada, Shigehisa Yamamoto | 2000-01-25 |
| 6018084 | Process for producing 1,1,1,3,3-pentafluoropropane | Tatsuo Nakada, Hirokazu Aoyama | 2000-01-25 |
| 5821392 | Manufacturing method for 1,1,1,3,3-pentafluoropropane | Hirokazu Aoyama, Noriaki Shibata | 1998-10-13 |
| 5773404 | Azeotropic composition | Hirokazu Aoyama, Satoshi Ide | 1998-06-30 |
| 5763703 | Manufacturing method for hexafluorocylobutene and hexafluorocyclobutane | Tatsuo Nakada, Hirokazu Aoyama | 1998-06-09 |
| 5728902 | Method for manufacturing 1,1,1,3,3-pentafluoropropene | Hirokazu Aoyama, Noriaki Shibata | 1998-03-17 |
| 5714654 | Method of Producing 1,1,1,3,3-pentafluoropropane and/or 1,1,3,3,3-pentafluoropropene | Eiji Seki, Hirokazu Aoyama, Tatsuo Nakada | 1998-02-03 |
| 5714655 | Process of manufacturing 1,1,1,3,3-pentafluoropropane, process of manufacturing 2,2,3-trichloro 1,1,1,3,3-pentafluoropropane and process of manufacturing 2,3,3-trichloro-1,1,1-trifluoropropene | Eiji Seki, Hirokazu Aoyama, Seiji Takubo, Tatsuo Nakada | 1998-02-03 |
| 5629461 | Method of producing 1,1,2,2,3-pentafluoropropane | Takashi Yasuhara, Hirokazu Aoyama, Eiji Seki | 1997-05-13 |
| 5599783 | Cleaning solvent composition and a method for cleaning or drying articles | Satoshi Ide, Takahiro Matsuda, Hirokazu Aoyama | 1997-02-04 |
| 5489227 | Protective cowling for outboard motor | Hitoshi Ishida, Kazuhiro Okuzawa, Kenji Kawamukai, Takaji Kawai | 1996-02-06 |