Issued Patents All Time
Showing 51–75 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7497892 | Magnetic particles, method for producing the same, and magnetic recording medium | — | 2009-03-03 |
| 7470308 | Method of producing magnetic particles and reaction method using microreactor and microreactor | Fumiko Shiraishi, Seiji Sugiyama, Koukichi Waki, Yasunori Ichikawa, Tomohide Ueyama | 2008-12-30 |
| 7394091 | Composite nano-particle and method for preparing the same | Tetsuhiko Isobe, Shigeo Itoh, Hisamitsu Takahashi | 2008-07-01 |
| 7384449 | Ferromagnetic nanoparticles, material coated with dispersion of ferromagnetic nanoparticles, and magnetic recording medium using the material | Kouichi Masaki, Koukichi Waki | 2008-06-10 |
| 7381239 | Alloy nano-particles | Koukichi Waki, Genichi Furusawa | 2008-06-03 |
| 7335393 | Magnetic particle, its production method, magnetic recording medium and its production method | Koukichi Waki, Keizo Ogawa | 2008-02-26 |
| 7244287 | Magnetic particle, its production method, magnetic recording medium and its production method | Koukichi Waki, Keizo Ogawa | 2007-07-17 |
| 7118816 | Magnetic recording medium | Koukichi Waki | 2006-10-10 |
| 7108927 | Magnetic recording medium | Koukichi Waki | 2006-09-19 |
| 7066978 | Nanoparticle, method of producing nanoparticle and magnetic recording medium | Koukichi Waki | 2006-06-27 |
| 7067199 | Magnetic particle of CuAu(1) or CuAu(III) type its production method, magnetic recording medium and its production method | Koukichi Waki, Keizo Ogawa | 2006-06-27 |
| 7037605 | Magnetic particle coated material containing magnetic particles having CuAu type or Cu3Au type ferromagnetic ordered alloy phase, and method for producing the same | Koukichi Waki | 2006-05-02 |
| 7022156 | Method for producing nanoparticles of magnetically hard ordered alloy phase | Koukichi Waki | 2006-04-04 |
| 6994895 | Magnetic recording medium including an annealed alloy particle layer and method of producing the same | Koukichi Waki | 2006-02-07 |
| 6878445 | Nanoparticle coated material and production method of same | Koukichi Waki | 2005-04-12 |
| 5958565 | Magnetic recording tape favorably employable for computer data storage | Akira Kasuga, Toshio Kawamata, Tatsuo Ishikawa, Satoru Hayakawa | 1999-09-28 |
| 5547819 | Silver halide photographic material | Shigeru Ohno | 1996-08-20 |
| H1515 | Silver halide photographic material | Yoshiharu Yabuki | 1996-01-02 |
| 5298192 | Subbing composition for polyester | Nobuyuki Sugiyama, Akira Hatakeyama | 1994-03-29 |
| 5232825 | Silver halide photographic element having base subbing composition for polyester | Nobuyuki Sugiyama, Akira Hatakeyama | 1993-08-03 |
| 5227285 | Silver halide photographic material | Akira Hatakeyama | 1993-07-13 |
| 5124242 | Silver halide photographic element with hydrophobic undercoat polymer layer and hydrophobic dye layer | Koichi Suematsu, Shigeru Ohno | 1992-06-23 |
| 5102634 | Method for purifying exhaust gas and apparatus | Hiroaki Hayashi, Kunio Sano | 1992-04-07 |
| 5098818 | Silver halide photographic material and method for processing thereof | Tadashi Ito, Yukio Karino | 1992-03-24 |
| 5077184 | Silver halide photographic material containing color reversible dye layer | Koichi Suematsu, Shigeru Ohno | 1991-12-31 |