Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12374851 | Optical amplification apparatus and optical amplification method | Hitoshi Takeshita, Emmanuel Le Taillandier De Gabory | 2025-07-29 |
| 12375201 | Optical amplifier, optical amplifier controlling method, and optical transmission system | Hitoshi Takeshita, Hidemi Noguchi, Emmanuel Le Taillandier De Gabory | 2025-07-29 |
| 12308599 | Optical amplifier, optical amplifier equalizing method, and transmission system | Emmanuel Le Taillandier De Gabory, Shigeyuki Yanagimachi | 2025-05-20 |
| 12072243 | Monitoring device, monitoring method, and optical transmission system | Hidemi Noguchi, Emmanuel Le Taillandier De Gabory | 2024-08-27 |
| 12027813 | Optical amplifier and optical amplification method | Hitoshi Takeshita, Emmanuel Le Taillandier De Gabory | 2024-07-02 |
| 11990727 | Monitoring apparatus for optical amplifier, optical amplifying system, and method of monitoring amplified optical signal | Emmanuel Le Taillandier De Gabory | 2024-05-21 |
| 11881675 | Optical amplification device, optical transmission system, and optical amplification method | Hitoshi Takeshita, Shigeyuki Yanagimachi | 2024-01-23 |
| 11876339 | Optical amplifier, control method for optical amplifier, and optical communication system | Emmanuel Le Taillandier De Gabory | 2024-01-16 |
| 11870208 | Optical fiber amplifier, optical fiber amplifier control method, and transmission system | Emmanuel Le Taillandier De Gabory, Shigeyuki Yanagimachi | 2024-01-09 |
| 11683116 | Light amplification device, light transmission system, and light amplification method | Kohei Hosokawa | 2023-06-20 |
| 11374377 | Optical amplifying apparatus and method of amplifying optical signal | Emmanuel Le Taillandier De Gabory, Shigeyuki Yanagimachi, Shigeru Nakamura | 2022-06-28 |
| 11329444 | Optical amplifier and control method therefor | Emmanuel Le Taillandier De Gabory, Shigeru Nakamura, Shigeyuki Yanagimachi | 2022-05-10 |
| 9134441 | Tomographic equipment, imaging system provided therewith, and imaging data acquisition method | Tetsuro Mizuta, Keishi Kitamura, Yuichi Inaoka, Munehiro TAKAHASHI, Michio Senda +1 more | 2015-09-15 |
| 9137881 | Discharge lamp lighting apparatus | Koji Yamada, Takashi Yamashita, Takanori Samejima | 2015-09-15 |
| 7649319 | Ultra-high pressure mercury lamp | Shoichi Terada, Tetsu Okamoto | 2010-01-19 |
| 5962977 | Low pressure discharge lamp having electrodes with a lithium-containing electrode emission material | Yukiharu Tagawa, Toyohiko Kumada, Makoto Fujii, Akiko Hata | 1999-10-05 |
| 4879705 | Automatic loading disc player | Yoshio Aoyagi, Hiroyuki Hirano, Toshiyuki Kimura, Susumu Niinuma, Minoru Yoshioka +6 more | 1989-11-07 |
| 4829502 | Automatic loading disc player | Yoshiro Aoyagi, Toshiyuki Kimura, Susumu Niinuma, Minoru Yoshioka, Fumihiko Yokogawa +6 more | 1989-05-09 |
| 4748608 | Servo apparatus for tracking and rotational speed control | Yoshio Aoyagi | 1988-05-31 |
| 4722079 | Optical disk player capable of distinguishing external disturbances and local defects and adjusting servo gain accordingly | — | 1988-01-26 |
| 4701902 | Automatic loading disc player | Yoshiro Aoyagi, Toshiyuki Kimura, Susumu Niinuma, Minoru Yoshioka, Fumihiko Yokogawa +6 more | 1987-10-20 |
| 4544872 | Tracking servo control system for an information read-out system | Hiroyuki Hirano | 1985-10-01 |