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Magnetism measuring device |
Yuji Hatano, Jun UENO, Takenori Okitaka |
2019-08-13 |
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Semiconductor multiple quantum well mach-zehnder optical modulator and method for fabricating the same |
— |
2001-08-21 |
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Multiple-wavelength light source and method of controlling oscillation frequencies thereof |
— |
2001-02-20 |
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Light wavelength filtering circuit and manufacturing method thereof |
Masako Hayashi, Kiichi Hamamoto, Tatsuya Sasaki, Takeshi Takeuchi |
1998-11-24 |
| 5825047 |
Optical semiconductor device |
Akira Ajisawa, Tomoji Terakado, Masayuki Yamaguchi |
1998-10-20 |
| 5796883 |
Optical integrated circuit and method for fabricating the same |
Kiichi Hamamoto, Tatsuya Sasaki, Takeshi Takeuchi, Masako Hayashi, Ikuo Mito +1 more |
1998-08-18 |
| 5770466 |
Semiconductor optical integrated circuits and method for fabricating the same |
Tatsuya Sasaki, Mitsuhiro Kitamura, Kiichi Hamamoto, Shotaro Kitamura, Yasutaka Sakata |
1998-06-23 |
| 5565693 |
Semiconductor optical integrated circuits |
Tatsuya Sasaki, Mitsuhiro Kitamura, Kiichi Hamamoto, Shotaro Kitamura, Yasutaka Sakata |
1996-10-15 |
| 5521994 |
Semiconductor optical waveguide-integrated light-receiving device |
Takeshi Takeuchi, Kenko Taguchi, Masako Yamamoto, Kiichi Hamamoto |
1996-05-28 |
| 5455433 |
Semiconductor optical guided-wave device |
— |
1995-10-03 |
| 5381023 |
Semiconductor device for control of a signal light |
— |
1995-01-10 |
| 5358896 |
Method of producing optical integrated circuit |
Tatsuya Sasaki, Tomoaki Kato, Ikuo Mito |
1994-10-25 |
| 5334551 |
Method of making semiconductor optical guided-wave device |
— |
1994-08-02 |
| 5237639 |
Optical waveguide formed of compound semiconductor materials and process of fabricating the optical waveguide |
Tomoaki Kato, Tatsuya Sasaki |
1993-08-17 |
| 5119449 |
Optical directional coupler switch |
Kunio Tada, Hiroyasu Noguchi, Akira Suzuki |
1992-06-02 |
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Device and method for providing optical bistability with free carrier recombination centers introduced into an optical guide surrounding semiconductor layer portion |
Masahiko Fujiwara |
1989-01-03 |