Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9263086 | Magnetization control for magnetic shield in magnetic recording head | Satoshi Tabata, Akira Morinaga, Masahiro Ito, Masahiko Hatatani | 2016-02-16 |
| 8940187 | Ceramic composite for light conversion, process for production thereof, and light-emitting devices provided with same | Hideki Ohtsubo, Shin-ichi Sakata, Shinichi Ishitobi, Yasuyuki Ichizono, Hisayoshi Iba | 2015-01-27 |
| 8911825 | Fiber-reinforced heat-resistant sound-absorbing material and process for producing the same | Tsutomu Oishi, Yoshizumi Tanaka, Michiyuki Suzuki, Mitsuhiko Sato | 2014-12-16 |
| 8879189 | Magnetic head slider having shared heater and contact sensor terminal pads | Satoshi Tabata, Akira Morinaga, Masahiro Ito | 2014-11-04 |
| 7829479 | Fiber-reinforced heat-resistant sound-absorbing material and process for producing the same | Tsutomu Oishi, Yoshizumi Tanaka, Michiyuki Suzuki, Mitsuhiko Sato | 2010-11-09 |
| 7518814 | Magnetic head tester and method of manufacturing magnetic disk drive | Hiroshi Umezaki, Kazuhiko Washizu, Takehiko Hamaguchi, Kenji Itoh | 2009-04-14 |
| 7330324 | Magnetic disk drive having a function for using a thermal protrusion amount for flying height management and an inspection device having such a function | Akira Morinaga, Yoji Maruyama, Hiroshi Ide | 2008-02-12 |
| 7292416 | CPP magneto resistive head with decreased variation in asymmetry and output | Takayoshi Ohtsu, Satoshi Shigematsu, Kouji Nishioka, Takao Imagawa, Kouji Kataoka +1 more | 2007-11-06 |
| 7230803 | Magnetic head with magnetic domain control structure having anti-ferromagnetic layer and plural magnetic layers | Akira Morinaga, Koichi Nishioka, Takayoshi Ohtsu, Shuichi Kojima | 2007-06-12 |
| 7206175 | Magnetoresistive head having defined relationships between the tract width and magnetization film thickness product to permit no hysteresis in the transfer curve | Akira Morinaga, Chiaki Ishikawa | 2007-04-17 |
| 7031123 | Magneto resistive head and magnetic recording apparatus | Takayoshi Ohtsu, Satoshi Shigematsu, Kouji Nishioka, Takao Imagawa, Kouji Kataoka +1 more | 2006-04-18 |
| 6903906 | Magnetic head with a lamination stack to control the magnetic domain | Akira Morinaga, Koichi Nishioka, Takayoshi Ohtsu, Shuichi Kojima | 2005-06-07 |
| 5461517 | Magneto-resistance effect type of recording/reproducing head | Mitsuo Suda, Kazuo Shiiki, Masanori Tanabe, Shinji Narishige, Eiji Nakanishi +2 more | 1995-10-24 |
| 5177717 | Optical memory medium and its information recording and erasing method and apparatus | Yoshio Sato, Atsumi Watanabe, Satoshi Shimada, Hiroshi Sasaki, Nobuyoshi Tsuboi +3 more | 1993-01-05 |
| 4937808 | Intergrated optical head with flexible substrate portion | Satoshi Shimada, Shinji Ohyama, Manabu Sato, Masahiko Ibamoto, Yoshio Sato +3 more | 1990-06-26 |
| 4862440 | Optical head with optical beam control using acoustic wave device | Yoshio Sato, Nobuyoshi Tsuboi, Satoshi Shimada, Hiroshi Sasaki, Hiroaki Koyanagi +1 more | 1989-08-29 |
| 4811328 | Optical recording and reproducing device | Tetsuo Ito, Hiroshi Sasaki, Yoshio Sato, Satoshi Shimada, Nobuyoshi Tsuboi +2 more | 1989-03-07 |
| 4775967 | Beam spot control device using a thin micro lens with an actuator | Satoshi Shimada, Hiroshi Sasaki, Nobuyoshi Tsuboi, Hideki Nihei | 1988-10-04 |
| 4773060 | Optical information recording device | Satoshi Shimada, Yoshio Sato, Hiroshi Sasaki, Nobuyoshi Tsuboi, Tetsuo Ito +3 more | 1988-09-20 |
| 4718053 | Optical information apparatus and method of recording and erasing information | Yoshio Sato, Satoshai Shimada, Hiroshi Sasaki, Nobuyoshi Tsuboi, Hideki Nihei +4 more | 1988-01-05 |