Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |