Issued Patents All Time
Showing 1–25 of 128 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12102694 | Radiolabeled compound producing method and producing apparatus, radiolabeled compound and radioisotope producing apparatus | Noriko Ishioka, Hiroo Kondo | 2024-10-01 |
| 11608593 | Wire rope, sheave and drum | Yukito Yamamoto, Takuya Katayama | 2023-03-21 |
| 11588572 | Wavelength converter and optical transmission device that includes wavelength converter | Tomoyuki Kato, Takeshi Hoshida | 2023-02-21 |
| 11533548 | Transmission device, transmission method, and transmission system | Tomohiro Yamauchi, Tomoyuki Kato, Yu Tanaka, Takeshi Hoshida | 2022-12-20 |
| D968934 | Wire rope core | Arata Anzai | 2022-11-08 |
| 11276506 | Producing method of radioisotope and radioisotope producing apparatus | Noriko Ishioka, Hiroo Kondo | 2022-03-15 |
| 11190292 | Wavelength converter and optical transmission device that includes wavelength converter | Tomoyuki Kato, Takeshi Hoshida | 2021-11-30 |
| 10851493 | Running wire rope and method of manufacturing same | Kaori Kanamori, Jun Takeuchi | 2020-12-01 |
| 10720992 | Transmission apparatus, reception apparatus, and method for estimating characteristics of transmission line | Takahito Tanimura, Takeshi Hoshida, Tomoyuki Kato | 2020-07-21 |
| 10429721 | Wavelength conversion device, control-light generation device, wavelength conversion method, and control-light generation method | Tomoyuki Kato, Takeshi Hoshida | 2019-10-01 |
| 10291328 | Optical signal-processing apparatus, receiving apparatus, and optical network system | — | 2019-05-14 |
| 10281798 | Wavelength conversion device, control-light generation device, wavelength conversion method, and control-light generation method | Tomoyuki Kato, Takeshi Hoshida | 2019-05-07 |
| 10193621 | Location measurement apparatus, light modulation converter, and light variation location measurement method | Tomoyuki Kato, Takeshi Hoshida, Takahito Tanimura | 2019-01-29 |
| 10193629 | Optical-signal processing apparatus, optical transmission method, receiver, and optical network system | — | 2019-01-29 |
| 9929828 | Optical add/drop multiplexer and method for adding/dropping optical signal | Tomoyuki Kato | 2018-03-27 |
| 9857662 | Optical frequency shift device and method | Tomoyuki Kato, Takeshi Hoshida | 2018-01-02 |
| 9780880 | Relay device and optical network system | Tomoyuki Kato | 2017-10-03 |
| 9692520 | Optical signal-processing apparatus, receiving apparatus, and optical network system | — | 2017-06-27 |
| 9634787 | Optical add-drop multiplexer | Takahito Tanimura, Tomoyuki Kato | 2017-04-25 |
| 9625812 | Photosensitive resin composition, photosensitive dry film, pattern formation method, printed circuit board, and method for producing same | Akifumi Ueda, Hidetaka Nakagawara, Shintaro Okada, Saki Fujita, Kazuo Watanabe | 2017-04-18 |
| 9602201 | Optical multiplexing device and method of generating optical OFDM signal | Ryou Okabe | 2017-03-21 |
| 9450699 | Optical drop device, optical drop method, and optical add device | Tomoyuki Kato | 2016-09-20 |
| 9319170 | Optical frequency division multiplexer and polarization control method | Ryou Okabe | 2016-04-19 |
| 9252840 | Optical signal processing apparatus, transmission apparatus, and optical signal processing method | — | 2016-02-02 |
| 9182649 | Optical-signal processing apparatus, optical transmission method, receiver, and optical network system | — | 2015-11-10 |