Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7552592 | Magnetic refrigerator | Hideo Iwasaki, Akihiro Kasahara, Katsumi Hisano, Akihiro Koga, Akiko Saito +1 more | 2009-06-30 |
| 7536866 | Magnetic refrigerator | Akiko Saito, Hideyuki Tsuji | 2009-05-26 |
| 7168255 | Magnetic composite material and method for producing the same | Akiko Saito | 2007-01-30 |
| 7076958 | Magnetic material | Akiko Saito, Takao Sawa, Masashi Sahashi | 2006-07-18 |
| 7063754 | Magnetic material for magnetic refrigeration and method for producing thereof | Kazuaki Fukamichi, Asaya Fujita, Yoshiaki Iijima, Akiko Saito, Masashi Sahashi | 2006-06-20 |
| 6731111 | Validity determination using magnetic ink having magnetic powders with different Curie temperatures | Takao Sawa, Katsutoshi Nakagawa, Teruo Murakami, Hisashi Takahashi, Masao Obama | 2004-05-04 |
| 6676772 | Magnetic material | Akiko Saito, Takao Sawa, Masashi Sahashi | 2004-01-13 |
| 6545466 | MAGNETIC POWDER FOR VALIDITY DETERMINING INK, MANUFACTURING METHOD FOR MAGNETIC POWDER FOR VALIDITY DETERMINING INK, MAGNETIC INK FOR VALIDITY DETERMINATION, PRINTING MEMBER FOR VALIDITY DETERMINATION, DETECTING DEVICE FOR PRINTING MEMBER FOR VALIDITY DETERMINATION, AND VALIDITY DETERMINATION DEVICE | Takao Sawa, Katsutoshi Nakagawa, Teruo Murakami, Hisashi Takahashi, Masao Obama | 2003-04-08 |
| 6369992 | Yoke-type head with magneto-resistance effect film recessed from medium facing surface and extending across magnetic gap | Hiroaki Yoda, Atsuhito Sawabe, Hitoshi Iwasaki, Yuichi Ohsawa, Masashi Sahashi | 2002-04-09 |
| 6333840 | Magnetic recording apparatus | Hiroaki Yoda, Kohichi Tateyama, Hiromi Sakata | 2001-12-25 |
| 6304415 | Magnetic head | Kohichi Tateyama, Hiroaki Yoda, Hiromi Sakata, Michiko Hara, Akio Hori +2 more | 2001-10-16 |
| 6256863 | Yoke type magnetoresistance head and manufacturing method of the same | Kazuhiro Saito, Akiko Saito, Hitoshi Iwasaki, Akihiko Tsutai, Hiroaki Yoda +3 more | 2001-07-10 |
| 6198597 | Thin-film magnetic head having improved magnetic pole structure | Kohichi Tateyama, Hiroaki Yoda, Atsuhito Sawabe, Naoyuki Inoue, Akio Hori +6 more | 2001-03-06 |
| 6108167 | Magnetic head | Kohichi Tateyama, Hiroaki Yoda, Hiromi Sakata, Michiko Hara, Akio Hori +2 more | 2000-08-22 |
| 5920447 | Magnetic disk unit having laminated magnetic heads | Hiromi Sakata, Hiroaki Yoda, Tomomi Funayama, Kohichi Tateyama, Shigeru Takekado +1 more | 1999-07-06 |
| 5894384 | Magnetoresistance effect head in which a magnetoresistance effect element and a soft magnetic film form a single magnetic circuit | Tomomi Funayama, Hiromi Sakata, Kohichi Tateyama | 1999-04-13 |
| 5739600 | Underwater magnetrostrictive vibration device | Isao Sakai, Kiyohisa Hinohara | 1998-04-14 |
| 5601662 | Method of introducing magnetic anisotropy into magnetic material | Takahiro Hirai, Masashi Sahashi | 1997-02-11 |
| 5565830 | Rare earth-cobalt supermagnetostrictive alloy | Masashi Sahashi | 1996-10-15 |
| 5527398 | Magnetostrictive materials and methods of making such materials | Tomomi Funayama, Isao Sakai, Masashi Sahashi | 1996-06-18 |
| 5336337 | Magnetrostrictive materials and methods of making such materials | Tomomi Funayama, Isao Sakai, Masashi Sahashi | 1994-08-09 |
| 5260615 | Magnetoelastic wave device | Masashi Sahashi, Tetsuhiko Mizoguchi | 1993-11-09 |
| 5223046 | Super-magnetostrictive alloy | Yoichi Tokai, Masashi Sahashi | 1993-06-29 |
| 5184037 | Magnetostriction type actuator | Masashi Sahashi | 1993-02-02 |
| RE34039 | Torque sensor for detecting a shaft torque and an electric machine in which the torque sensor is mounted | Masashi Sahashi, Koichiro Inomata, Tomokazu Domon | 1992-08-25 |