Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7218196 | Noncontact coupler | Fumiaki Nakao, Mikio Kitaoka, Katsuo Yamada, Hiroshi Sakamoto | 2007-05-15 |
| 6800215 | Low-loss magnetic oxide material and method for making | Masayuki Inagaki, Toshiaki Tomozawa | 2004-10-05 |
| 6573820 | Inductor | Katsuo Yamada, Fumiaki Nakao, Tomoyuki Akaya, Satoshi Ota, Mikio Kitaoka +1 more | 2003-06-03 |
| 5135375 | Apparatus for packing permanent magnet powder | Hirofumi Nakano, Masakuni Kamiya, Kazuo Matsui | 1992-08-04 |
| 5004580 | Method and apparatus for packing permanent magnet powder | Hirofumi Nakano, Masakuni Kamiya, Kezuo Matsui | 1991-04-02 |
| 4817116 | Digital radio communication system utilizing quadrature modulated carrier waves | Yoshihiko Akaiwa, Yoshinori Nagata | 1989-03-28 |
| 4505428 | Rail fastening device | Kentaro Matsubara | 1985-03-19 |
| 4447006 | Cam type elastic rail fastening device | — | 1984-05-08 |
| 4427454 | Method for treating sugar solution | Yoshiyuki Oyama, Hiroaki Nishi | 1984-01-24 |
| 4312478 | Elastic rail fastening device | Kentaro Matsubara | 1982-01-26 |
| 4310120 | Elastic rail fastening device | Kentaro Matsubara | 1982-01-12 |