Issued Patents All Time
Showing 226–249 of 249 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5116770 | Method for fabricating bipolar semiconductor devices | Shuichi Kameyama, Kazuya Kikuchi, Masaoki Kajiyama | 1992-05-26 |
| 5078772 | Process for producing buried waveguide device | Yoshiyuki Asahara, Shigeaki Ohmi, Yoshitaka Yoneda | 1992-01-07 |
| 5070813 | Coating apparatus | Eiichi Shirakawa, Chizo Yamaguchi, Takashi Takekuma | 1991-12-10 |
| 5070375 | Semiconductor device having a coupled quantum box array structure | — | 1991-12-03 |
| 5038608 | Method for measuring the flow rate of exhaust gas | Eiichi Shirakawa, Kimiharu Matsumura | 1991-08-13 |
| 4980754 | Package for superconducting devices | Seigo Kotani, Toshikazu Takenouchi, Fumio Miyagawa | 1990-12-25 |
| 4910575 | Semiconductor integrated circuit and its manufacturing method | Tadao Komeda, Kazuya Kikuchi | 1990-03-20 |
| 4902330 | Method of producing gradient-index lens | Yoshiyuki Asahara, Shigeaki Omi, Shin Nakayama, Yoshitaka Yoneda | 1990-02-20 |
| 4890155 | Package for mounting a semiconductor chip of ultra-high frequency | Fumio Miyagawa, Toshikazu Takenouchi | 1989-12-26 |
| 4851024 | Process for producing optical glass | Shigeaki Ohmi, Yoshitaka Yoneda, Yoshiyuki Asahara | 1989-07-25 |
| 4844724 | Method of adjusting refractive index distribution lenses | Yoshiyuki Asahara, Shigeaki Omi, Shin Nakayama, Yoshitaka Yoneda | 1989-07-04 |
| 4839302 | Method for fabricating bipolar semiconductor device | Shuichi Kameyama, Tadao Komeda, Kazuhiro Kobushi | 1989-06-13 |
| 4814287 | Method of manufacturing a semiconductor integrated circuit device | Toyoki Takemoto, Kenji Kawakita | 1989-03-21 |
| 4812201 | Method of ashing layers, and apparatus for ashing layers | Kazutoshi Yoshioka, Kimiharu Matsumura, Keisuke Shigaki, Yutaka Amemiya, Shunichi Iimuro +2 more | 1989-03-14 |
| 4805997 | Gradient refractive index type anamorphic planar microlens and method of producing the same | Yoshiyuki Asahara, Shigeaki Omi, Shin Nakayama, Yoshitaka Yoneda | 1989-02-21 |
| 4779084 | Apparatus for generating memory address of a display memory | Toshio Tanaka, Nobuo Shibasaki | 1988-10-18 |
| 4767435 | Process for producing transparent glass product having refractive index gradient | Shigeaki Omi, Yoshiyuki Asahara, Seiichi Shingaki, Shin Nakayama, Kenji Nakagawa +1 more | 1988-08-30 |
| 4640699 | Process for producing glass product having gradient of refractive index | Shigeaki Ohmi, Seiichi Shingaki, Yoshiyuki Asahara | 1987-02-03 |
| 4615746 | Method of forming isolated island regions in a semiconductor substrate by selective etching and oxidation and devices formed therefrom | Kenji Kawakita, Toyoki Takemoto | 1986-10-07 |
| 4563807 | Method for making semiconductor device utilizing molecular beam epitaxy to form the emitter layers | Toyoki Takemoto, Kenji Kawakita, Tsutomu Fujita, Atsuko Akiyama | 1986-01-14 |
| 4563227 | Method for manufacturing a semiconductor device | Kenji Kawakita, Tsutomu Fujita, Toyoki Takemoto | 1986-01-07 |
| 4525189 | Process for producing glass product having gradient of refractive index | Shigeaki Ohmi, Seiichi Shingaki, Yoshiyuki Asahara | 1985-06-25 |
| 4484211 | Oxide walled emitter | Toyoki Takemoto, Tsutomu Fujita, Haruyasu Yamada | 1984-11-20 |
| 4459496 | Semiconductor integrated circuit having stacked integrated injection logic circuits | Haruyasu Yamada, Toyoki Takemoto, Tadao Komeda, Tsutomu Fujita, Yuichi Hirofuji | 1984-07-10 |