Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8163438 | Composite electrolyte membrane, production method thereof, membrane-electrode assembly, and fuel cell | Takayuki Hirashige, Makoto Morishima, Yuko Sawaki, Kazutaka Matsuo | 2012-04-24 |
| 8007691 | Fine particle of perovskite oxide, particle having deposited perovskite oxide, catalyst material, catalyst material for oxygen reduction, catalyst material for fuel cell, and electrode for fuel cell | Yuko Sawaki, Haruyuki Nakanishi, Shigeaki Murata, Masahiro Imanishi, Shinichi Matsumoto | 2011-08-30 |
| 7829061 | Zirconium oxide hydrate particles and method for producing the same | Yuko Sawaki, Kazutaka Matsuo, Takayuki Hirashige, Makoto Morishima | 2010-11-09 |
| 7700204 | Magnetic recording medium containing particles with a core containing a FE16N2 phase | Yuji Sasaki, Naoki Usuki | 2010-04-20 |
| 7597960 | Functional infrared fluorescent particle | Masakazu Mitsunaga, Naoki Usuki, Kenji Kohno, Hisao Kanzaki | 2009-10-06 |
| 7510790 | Magnetic powder, method for producing the same and magnetic recording medium comprising the same | Yuji Sasaki, Hideaki Watanabe, Shinichi Kitahata | 2009-03-31 |
| 7494728 | Magnetic tape and magnetic tape cartridge | Sadamu Kuse, Tsugihiro Doi, Tetsutaro Inoue | 2009-02-24 |
| 7449235 | Composite indium oxide particle which contains tin (Sn) and zinc (Zn), method for producing same, conductive coating material, conductive coating film, and conductive sheet | Yuko Sawaki | 2008-11-11 |
| 7445858 | Magnetic recording medium using magnetic powder having a core portion and an outer layer portion including a rare earth element and magnetic recording cassette | Sadamu Kuse, Tsugihiro Doi, Tetsutaro Inoue, Yuji Sasaki, Hideaki Watanabe | 2008-11-04 |
| 7416784 | Functional infrared fluorescent particle | Masakazu Mitsunaga, Naoki Usuki, Kenji Kohno, Hisao Kanzaki | 2008-08-26 |
| 7381467 | Composite particles comprising ferromagnetic particle, fluorescent pigment and a silica coating | Satoko Arai, Kenji Kohno, Masahiro Kusumoto, Yoshiaki Nishiya | 2008-06-03 |
| 7291409 | Magnetic recording medium using magnetic powder having a core portion and an outer layer portion including a rare earth element and magnetic recording cassette | Sadamu Kuse, Tsugihiro Doi, Tetsutaro Inoue, Yuji Sasaki, Hideaki Watanabe | 2007-11-06 |
| 7267896 | Magnetic tape and magnetic tape cartridge | Sadamu Kuse, Tsugihiro Doi, Tetsutaro Inoue, Yuji Sasaki, Hideaki Watanabe | 2007-09-11 |
| 7238439 | Magnetic recording medium containing particles with a core containing a Fe16N2 phase | Yuji Sasaki, Naoki Usuki | 2007-07-03 |
| 7172817 | Indium particle containing tin, method for producing the same and electroconductive sheet comprising the same | Nobuko Kasajima, Yuko Sawaki, Noriaki Otani | 2007-02-06 |
| 6964811 | Magnetic powder, method for producing the same and magnetic recording medium comprising the same | Yuji Sasaki, Hideaki Watanabe, Shinichi Kitahata | 2005-11-15 |
| 6844426 | Magnetic carrier capable of binding with protein and purification method of protein utilizing the magnetic carrier | Yoshiaki Nishiya | 2005-01-18 |
| 6517934 | Magnetic recording medium containing nanometer-size substantially spherical or ellipsoidal fe-b-re magnetic powder and method for producing magnetic powder | — | 2003-02-11 |
| 6296714 | Washing solution of semiconductor substrate and washing method using the same | Chizuko Matsuo, Kazushige Takaishi | 2001-10-02 |
| 5648160 | Magnetic powder, method for producing the same and use of the same | Shinichi Kitahata, Hisao Kanzaki, Noriaki Ohtani, Toshinobu Sueyoshi | 1997-07-15 |
| 5538801 | Magnetooptical recording medium | — | 1996-07-23 |
| 5319507 | Recording/reproducing system using a flexible magnetic disk | Nobuhiro Umebayashi, Kazuya Fukunaga, Norio Ohta | 1994-06-07 |
| 5260132 | Acicular alloy magnetic powder | Tetuya Nakazumi, Toshinobu Sueyoshi, Seigi Kawarai | 1993-11-09 |
| 5256481 | Magnetic recording medium | Akira Miyake, Masaya Funahashi, Teruhisa Miyata, Hitoshi Nagatani | 1993-10-26 |
| 5252380 | Acicular alloy containing magnetic recording medium | Tetuya Nakazumi, Toshinobu Sueyoshi, Seigi Kawarai | 1993-10-12 |