Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9523373 | Fan | Takehito Tamaoka | 2016-12-20 |
| 9429165 | Bearing mechanism, motor, and blower fan | Takehito Tamaoka | 2016-08-30 |
| 9387548 | Wire-cut electrical discharge machining apparatus and semiconductor wafer manufacturing method | Hidetaka Miyake, Tatsushi Sato | 2016-07-12 |
| 9388827 | Blower fan | Takehito Tamaoka, Kyoko Horise, Shinya Ishigami, Takahiro Nagai | 2016-07-12 |
| 9366263 | Bearing apparatus, motor, and blower fan | Takehito Tamaoka | 2016-06-14 |
| 9360019 | Fan | Takehito Tamaoka | 2016-06-07 |
| 9341214 | Sleeve, fluid dynamic pressure bearing including the sleeve, spindle motor including the fluid dynamic pressure bearing and electronic equipment including the spindle motor | Takehito Tamaoka, Kiyoto Ida, Masashi Hirayama | 2016-05-17 |
| 9316229 | Motor and fan | Takehito Tamaoka, Hiroaki Hirano, Kouta Kabune | 2016-04-19 |
| 9132553 | Robot system and method for producing a to-be-processed material | Yuya Yasuda | 2015-09-15 |
| 9089916 | Wire electric discharge machining apparatus, wire electric discharge machining method, thin plate manufacturing method, and semiconductor wafer manufacturing method | Atsushi Itokazu, Hidetaka Miyake, Tatsushi Sato, Takashi Yuzawa | 2015-07-28 |
| 9052975 | Random number generator with ring oscillation circuit | Atsuo Yamaguchi | 2015-06-09 |
| 9051938 | Fan bearing system having a fluid reservoir | Teiichi Hirono, Shinichiro Noda, Yoshiharu Ikegami, Tomohiro Hasegawa, Tomohiro Yoneda +7 more | 2015-06-09 |
| 8879204 | Motor and disk drive apparatus | Yoichi Sekii, Takehito Tamaoka, Kazuhiro Sato, Hiroyuki Abe | 2014-11-04 |
| 8848459 | Semiconductor device | Atsuo Yamaguchi | 2014-09-30 |
| 8796363 | Flame retardant resin composition and molded product | Tadakatsu Harada, Yasuo Yamanaka, Yasuyuki Matsushita | 2014-08-05 |
| 8754554 | Motor and disk drive apparatus | Takehito Tamaoka, Kazuhiro Sato | 2014-06-17 |
| 8582233 | Motor and disk drive apparatus | — | 2013-11-12 |
| 8416524 | Spindle motor having connecting mechanism connecting lead wire and circuit board, and storage disk drive having the same | Masayoshi Saichi, Hironori Ando, Kazushi Miura, Katsuya Takahashi, Takehito Tamaoka +2 more | 2013-04-09 |
| 8260835 | Random number generator with ring oscillation circuit | Atsuo Yamaguchi | 2012-09-04 |
| 7667360 | Rotor unit, bearing mechanism, motor, and data storage disk drive device | — | 2010-02-23 |
| 7424500 | Random number generator with ring oscillation circuit | Atsuo Yamaguchi | 2008-09-09 |
| 6732998 | Method of forming laminated core and electromagnetic type valve driving device | Masafumi Sugawara, Masatoshi Ueda, Akihiko Imagi, Masao Morita | 2004-05-11 |
| 6107864 | Charge pump circuit | Atsuo Yamaguchi | 2000-08-22 |
| 5011759 | Semiconductor element and method of forming same and article in which said element is used | Hajime Hitotsuyanagi, Nobuhiko Fujita, Hideo Itozaki, Syoji Nakagama, Saburo Tanaka | 1991-04-30 |