Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7131594 | IC card | Eiji Ohta | 2006-11-07 |
| 6950074 | Noncontact type IC card | Shigeru Arisawa, Toshiharu Tsuchiya | 2005-09-27 |
| 6405660 | Wagon | Ushio Itakura | 2002-06-18 |
| 6406639 | Method of partially forming oxide layer on glass substrate | Koichi Sakaguchi, Yasunori Shiraishi | 2002-06-18 |
| 5990417 | Electromagnetic noise absorbing material and electromagnetic noise filter | Masakatsu Senda, Toshinori Mori, Yasuhiro Koshimoto, Tomoyuki Toshima | 1999-11-23 |
| 5811971 | Magnetic sensor and magnetic field sensing method using said magnetic sensor based on impedance changes of a high frequency excited conductor | Masakatsu Senda, Yasuhiro Koshimoto, Tomoyuki Toshima | 1998-09-22 |
| 5734267 | Magnetic head, magnetic recording method using the magnetic head, and magnetic field sensing method using the magnetic head based on impedance changes of a high frequency excited conductor | Masakatsu Senda, Yasuhiro Koshimoto, Tomoyuki Toshima | 1998-03-31 |
| 5705926 | Magnetic sensor and magnetic field sensing method of using same based on impedance changes of a high frequency supplied conductor | Masakatsu Senda, Yasuhiro Koshimoto, Tomoyuki Toshima | 1998-01-06 |
| 5573128 | Tamper-evident plastic cap with engaging stopper pieces | Yoichi Tsujiguchi | 1996-11-12 |
| 5518642 | Oxide magnetic material | Osamu Inoue, Nobuya Matsutani, Koichi Kugimiya, Yasuyuki Aono | 1996-05-21 |
| 5486128 | Powder beam etching machine | Takashi Tsuchiya | 1996-01-23 |
| 5445708 | Method for preparing ultrathin piezoelectric resonator plates | — | 1995-08-29 |
| 5307034 | Ultrathin multimode quartz crystal filter element | Takao Morita, Takebumi Kurosaki | 1994-04-26 |
| 5235240 | Electrodes and their lead structures of an ultrathin piezoelectric resonator | Takao Morita, Takehumi Kurosaki | 1993-08-10 |
| 5218328 | Structure for a resonator using an ultrathin piezoelectric substrate | Takao Morita, Takebumi Kurosaki | 1993-06-08 |
| 5185550 | Structure for supporting a resonator using an ultrathin piezoelectric plate in a package | Takao Morita, Takebumi Kurosaki | 1993-02-09 |
| 5051970 | Magneto-optic recording system with overwrite capability | Koutarou Nonaka, Iwao Hatakeyama, Tetsuo Iijima | 1991-09-24 |
| 4776782 | Rotational plastic compression molding apparatus | Kashiwa Murayama, Yoshiaki Mochino | 1988-10-11 |
| 4642245 | Iron oxide magnetic film and process for fabrication thereof | Fumikatsu Yoshimura, Iwao Hatakeyama | 1987-02-10 |
| 4618901 | High density magnetic head | Iwao Hatakeyama, Yasushi Maeda, Shizuka Yoshii | 1986-10-21 |
| 4565295 | Plastic container closure having pilferproof characteristics | Fumio Mori, Junichi Itsubo, Isao Ichinose, Katsuake Tanaka, Takashi Yazaki | 1986-01-21 |
| 4544612 | Iron oxide magnetic film and process for fabrication thereof | Fumikatsu Yoshimura, Iwao Hatakeyama | 1985-10-01 |
| 4229495 | Coating method and article produced thereby | Minoru Takahashi, Masanori Naito, Yoshinobu Kusuhara, Naofumi Imahigashi | 1980-10-21 |
| 4183840 | Poly(phenylene sulfide) resin coating composition | Minoru Takahashi, Masanori Naito, Yoshinobu Kusuhara, Naofumi Imahigshi | 1980-01-15 |