Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6700730 | Method of using an integral parameter for correct placement of a read/write head | Hideki Ohzeki, Kenji Okada | 2004-03-02 |
| 6636380 | Hard disk drive | Dale C. Goeke, Mutsuro Ohta, Shingo Tsuda | 2003-10-21 |
| 6342743 | Spindle motor structure using ceramic ball bearing for hard disk drive | Shinichi Matsuzaki, Akihiro Ohyama, Kiyoshi Satoh | 2002-01-29 |
| 6253743 | Fuel vapor control apparatus | Yoshihiko Hyodo, Toshimi Murai, Hidekazu Sasaki | 2001-07-03 |
| 6166888 | Low noise flexible printed circuit cable for a disk drive carriage unit | Shingo Tsuda, Goeke Dale, Masaki Kobayashi | 2000-12-26 |
| 6109024 | Exhaust gas purification device for an internal combustion engine | Yukio Kinugasa, Takaaki Itou | 2000-08-29 |
| 6074787 | Method of making mask pattern utilizing auxiliary pattern forbidden region | — | 2000-06-13 |
| 5979157 | Method and a device for purifying exhaust gas of an internal combustion engine | Yukio Kinugasa, Takaaki Itou, Koichi Hoshi | 1999-11-09 |
| 5974793 | Exhaust gas purification device for an internal combustion engine | Yukio Kinugasa, Takaaki Itou, Naoto Suzuki, Hiroshi Tanaka, Naohide Fuwa | 1999-11-02 |
| 5964088 | Device for purifying exhaust gas of engine | Yukio Kinugasa, Takaaki Itou, Koichi Hoshi, Naoto Suzuki, Takehisa Yaegashi +1 more | 1999-10-12 |
| 5528565 | Magneto-optic recording system | Isao Watanabe, Osamu Ito, Kyosuke Yosimoto, Kunimaro Tanaka, Kazuhiko Tsutsumi | 1996-06-18 |
| 5486141 | Amusement machine and recording medium for use in the same | Norio Ohga | 1996-01-23 |
| 5481508 | Magneto-optic recording medium method of manufacturing the same and magneto-optic recording system | Isao Watanabe, Osamu Ito, Kyosuke Yosimoto, Kunimaro Tanaka, Kazuhiko Tsutsumi | 1996-01-02 |
| 5369628 | Magneto-optic recording medium, magneto-optic recording system and magneto-optic recording method | Kyosuke Yoshimoto, Osamu Ito, Kunimaro Tanaka, Isao Watanabe, Kazuhiko Tsutsumi | 1994-11-29 |
| 5309415 | Information recording method for overwriting a magneto-optic recording medium with two intensities of light beams | Osamu Ito, Kyosuke Yoshimoto, Kunimaro Tanaka, Isao Watanabe, Kazuhiko Tsutsumi +6 more | 1994-05-03 |
| 5272684 | Information recording method and information recording apparatus for magneto-optic recording information medium | Osamu Ito, Kyosuke Yoshimoto, Kunimaro Tanaka, Isao Watanabe, Kazuhiko Tsutsumi +6 more | 1993-12-21 |
| 5197048 | Magneto-optic recording medium, magneto-optic recording system and magneto-optic recording method | Kyosuke Yoshimoto, Osamu Ito, Kunimaro Tanaka, Isao Watanabe, Kazuhiko Tsutsumi | 1993-03-23 |
| 5172364 | Magneto-optic recording apparatus with controlled magnetic field generation | Kyosuke Yoshimoto, Osamu Ito, Kunimaro Tanaka, Isao Watanabe, Kazuhiko Tsutsumi | 1992-12-15 |
| 5148415 | Magneto-optical disc apparatus having head-disc distance control | — | 1992-09-15 |
| 5107483 | Frequency selective optical data record/regenerate apparatus | Yoshiki Nakajima, Kunimaro Tanaka, Kyosuke Yoshimoto, Motomu Yoshimura, Mitsuo Maeda +7 more | 1992-04-21 |
| 4978754 | Preparation process of unsaturated carboxylic acid amide | Akira Ibi, Masanori KITAGAWA, Eiichi Sagawa, Etsuo Ohkawado | 1990-12-18 |
| 4738736 | Method for molding a belt for transmitting power | Megumi Yamanaka, Masayoshi Kubo, Hideaki Katayama, Kenji Tokunaga | 1988-04-19 |
| 4710255 | Apparatus for molding a belt for transmitting power | Megumi Yamanaka, Masayoshi Kubo, Hideaki Katayama, Kenji Tokunaga | 1987-12-01 |
| 4649780 | Cutting device for cutting an annular body into belts | Megumi Yamanaka, Hisanobu Inada, Masayoshi Kubo, Hideaki Katayama, Kenji Tokunaga +1 more | 1987-03-17 |
| 4609947 | Video signal recording apparatus | Kazuo Yamagiwa, Kiyoshi Nishitani, Seiji Sato | 1986-09-02 |