Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9764268 | Gas purification filter unit | Fumio Nozaki | 2017-09-19 |
| 9023204 | Purifier for removing hydrogen fluoride from electrolytic solution | Yasushi Ohyashiki | 2015-05-05 |
| 8691402 | Perpendicular magnetic recording medium | Osamu Kitakami, Satoshi Okamoto, Takehito Shimatsu, Hajime Aoi, Hiroaki Muraoka +3 more | 2014-04-08 |
| 8323808 | Perpendicular magnetic recording medium | Osamu Kitakami, Satoshi Okamoto, Takehito Shimatsu, Hajime Aoi, Hiroaki Muraoka +3 more | 2012-12-04 |
| 8223608 | Optical pickup adjusting apparatus and adjusting method | Hideo Nagasaka | 2012-07-17 |
| 7513709 | Universal joint | Tatsutomo Yokozeki, Takeshi Matsuda | 2009-04-07 |
| 7371471 | Electromagnetic noise suppressing thin film | Shigeyoshi Yoshida, Hiroshi Ono, Tetsuo Itoh | 2008-05-13 |
| 7355945 | Optical pickup adjusting apparatus and adjusting method | Hideo Nagasaka | 2008-04-08 |
| 7313800 | Disk centering system | Akihisa Inatani, Yasuo Osada, Toshimasa Takahashi, Yasuhiro Suda, Hiromu Watanabe +2 more | 2007-12-25 |
| 7103895 | Optical pickup device, and recorder and/or player | Yasuo Osada | 2006-09-05 |
| 7075163 | Electromagnetic noise suppressor, semiconductor device using the same, and method of manufacturing the same | Shigeyoshi Yoshida, Hiroshi Ono, Yoshio Awakura, Michio Nemoto, Eiji Yamanaka +1 more | 2006-07-11 |
| 7073185 | Objective lens driving device and optical pickup device employing the objective lens driving device | Tadayasu Nishikawa | 2006-07-04 |
| 7000156 | Devices for storing and accumulating defect information, semiconductor device and device for testing the same | Yoshinori Fujiwara | 2006-02-14 |
| 6972097 | Composite magnetic material and electromagnetic interference suppressor member using the same | Shigeyoshi Yoshida, Mitsuharu Sato, Eishu Sugawara, Norihiko Ono, Osamu Ito | 2005-12-06 |
| 6740171 | Manufacturing method of semiconductor integrated circuit device | Yasuhiro Mori, Koyo Morita, Kenji Yokoshima | 2004-05-25 |
| 6623789 | Method for fabricating a magnetic recording medium | Osamu Kitakami, Satoshi Okamoto, Tomoaki Sakurai | 2003-09-23 |
| 6430143 | Optical pickup device and optical disc recording and/or reproducing apparatus | Yoshihiro Kajiyama, Junzo Kumakura, Yasuo Osada, Toshiyuki Kuroiwa, Hideo Nagasaka +5 more | 2002-08-06 |
| 6339543 | Writing method for a magnetic immovable memory and a magnetic immovable memory | Valentyn Novosad, Yoshichika Otani, Kazuaki Fukamichi, Osamu Kitakami | 2002-01-15 |
| 6055135 | Exchange coupling thin film and magnetoresistive element comprising the same | Kazuaki Fukamichi, Osamu Kitakami, Kim Jek Jun, Hiroko Uyama, Akihiro Makino +1 more | 2000-04-25 |
| 5837068 | Magnetoresistance effect material, process for producing the same, and magnetoresistive element | Kazuaki Fukamichi, Noriyuki Kataoka, Hideki Takeda | 1998-11-17 |
| 5827445 | Composite magnetic article for electromagnetic interference suppressor | Shigeyoshi Yoshida, Mitsuharu Sato, Eishu Sugawara | 1998-10-27 |
| 5752785 | Drainage pump station and drainage operation method for drainage pump station | Sadashi Tanaka, Seiji Miura, Kunio Takada, Masayuki Yamada, Akira Manabe | 1998-05-19 |
| 5383984 | Plasma processing apparatus etching tunnel-type | Hitoshi Kato, Junichi Kakizaki, Kazutugu Aoki, Haruki Mori, Tatsuo Shiotsuki | 1995-01-24 |
| 5135818 | Thin soft magnetic film and method of manufacturing the same | Akihiko Hosono, Hideo Fujiwara | 1992-08-04 |
| 4970435 | Plasma processing apparatus | Susumu Tanaka, Yuki Hamada, Yasushi Sasaki, Susumu Fukuoka | 1990-11-13 |