Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7313080 | Information recording medium and its production method, and optical information recording reproducing apparatus | Teruhiro Shiono, Hiroaki Yamamoto, Seiji Nishino | 2007-12-25 |
| 6577386 | Method and apparatus for activating semiconductor impurities | Akihisa Yoshida, Masatoshi Kitagawa, Masao Uchida, Makoto Kitabatake | 2003-06-10 |
| 6255201 | Method and device for activating semiconductor impurities | Akihisa Yoshida, Masatoshi Kitagawa, Masao Uchida, Makoto Kitabatake | 2001-07-03 |
| 5817410 | Nonlinear optical composites using linear transparent substances and method for producing the same | Ayumu Tsujimura, Masaru Yoshida, Ichiro Tanahashi, Yoshio Manabe | 1998-10-06 |
| 5663974 | Semiconductor laser | Ayumu Tsujimura, Kazuhiro Okawa, Satoshi Kamiyama | 1997-09-02 |
| 5599609 | Nonlinear optical material and method of producing the same | Yoshio Manabe, Masaru Yoshida, Ichiro Tanahashi | 1997-02-04 |
| 5492080 | Crystal-growth method and semiconductor device production method using the crystal-growth method | Kazuhiro Ohkawa | 1996-02-20 |
| 5488234 | Semiconductor element having bivalent and VI group element and an insulating layer | Shigeo Yoshii, Kazuhiro Okawa, Ayumi Tsujimura | 1996-01-30 |
| 5464991 | Nonlinear optical materials and their manufacturing method | Yoshio Manabe, Ichiro Tanahashi | 1995-11-07 |
| 5455431 | Nonlinear optical materials and their manufacturing method | Yoshio Manabe, Ichiro Tanahashi | 1995-10-03 |
| 5396862 | Method of manufacturing a compound semiconductor | Kazuhiro Okawa, Shigeo Hayashi, Takeshi Karasawa | 1995-03-14 |
| 5341001 | Sulfide-selenide manganese-zinc mixed crystal photo semiconductor and laser diode | Shigeo Hayashi, Kazuhiro Okawa | 1994-08-23 |
| 5215929 | Method of manufacturing pn-junction device II-VI compound semiconductor | Kazuhiro Okawa | 1993-06-01 |
| 5113473 | Nonlinear, optical thin-films and manufacturing method thereof | Masaru Yoshida, Yoshio Manabe, Ichiro Tanahashi | 1992-05-12 |
| 5079594 | Nonlinear optical thin-film | Kazuhiro Ohkawa, Takeshi Karasawa | 1992-01-07 |
| 4735910 | In-situ doping of MBE grown II-VI compounds on a homo- or hetero-substrate | Osamu Yamazaki | 1988-04-05 |
| 4731172 | Method for sputtering multi-component thin-film | Hideaki Adachi, Hidetaka Higashino, Osamu Yamazaki | 1988-03-15 |
| 4501987 | Surface acoustic wave transducer using a split-finger electrode on a multi-layered substrate | Shusuke Ono, Ritsuo Inaba, Kiyotaka Wasa | 1985-02-26 |
| 4458346 | Pickup stylus | Hisamitsu Maeda, Kiyotaka Wasa | 1984-07-03 |
| 4354130 | Surface acoustic wave device using a multi-layer substrate including .alpha..sub.2 O.sub.3, SiO and ZnO | Shusuke Ono, Osamu Yamazaki, Kiyotaka Wasa | 1982-10-12 |
| 4276535 | Thermistor | Kiyotaka Wasa, Shigeru Hayakawa | 1981-06-30 |
| 4236095 | Surface acoustic wave device comprising piezoelectric substrate having zinc oxide layer on .alpha.-alumina layer | Shusuke Ono, Osamu Yamazaki, Kiyotaka Wasa | 1980-11-25 |