Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10020878 | Optical signal-to-noise ratio monitor and method for measuring optical signal to-noise ratio | Shoichiro Oda, Yasuhiko Aoki, Hiroki Oi, Satoru Okano, Jeng-Yuan Yang | 2018-07-10 |
| 9246624 | Low noise optical phase-sensitive amplifier for dual-polarization modulation formats | Jeng-Yuan Yang, Motoyoshi Sekiya | 2016-01-26 |
| 9030730 | Optical phase-sensitive amplifier for dual-polarization modulation formats | Jeng-Yuan Yang, Motoyoshi Sekiya | 2015-05-12 |
| 7684706 | System and method for traffic distribution in an optical network | Martin Bouda, Takao Naito | 2010-03-23 |
| 4948742 | Method of manufacturing a semiconductor device | Tadashi Nishimura | 1990-08-14 |
| 4899206 | Semiconductor device | Hiromi Sakurai | 1990-02-06 |
| 4797723 | Stacked semiconductor device | Tadashi Nishimura | 1989-01-10 |
| 4454166 | Process for preparing semiconductor device | Haruhiko Abe, Hiroshi Harada, Shigeji Kinoshita, Yoshihiro Hirata, Masahiko Denda | 1984-06-12 |
| 4448632 | Method of fabricating semiconductor devices | — | 1984-05-15 |
| 4441932 | Process for preparing semiconductor device having active base region implanted therein using walled emitter opening and the edge of dielectric isolation zone | Katsuhiro Tsukamoto | 1984-04-10 |