Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12316383 | Wavelength cross connect device, multiband transmission system, and multiband transmission method | Hiroki Kawahara, Takeshi Seki, Sachio Suda | 2025-05-27 |
| 12244346 | Wavelength cross connect device and wavelength cross connect method | Hiroki Kawahara, Takeshi Seki, Sachio Suda | 2025-03-04 |
| 12207030 | Optical node device, optical transport network system, optical path trace method and program | Hiroki Kawahara, Takeshi Seki, Sachio Suda | 2025-01-21 |
| 12080891 | Positive electrode for secondary battery and secondary battery | Takahiro Takahashi | 2024-09-03 |
| 11979226 | Wavelength cross connect device and wavelength cross connect method | Hiroki Kawahara, Takeshi Seki, Sachio Suda, Kenta Hirose | 2024-05-07 |
| 11942755 | Optical transmission system and filter penalty reduction method | Takashi Kotanigawa, Tsutomu Kubo | 2024-03-26 |
| 11824583 | Cyclic wavelength band replacement device, multi-band transmission system, and cyclic wavelength band replacement method | Hiroki Kawahara, Takeshi Seki, Sachio Suda, Kenta Hirose | 2023-11-21 |
| 11742492 | Secondary battery positive electrode, secondary battery positive electrode current collector, and secondary battery | Takahiro Takahashi, Hideharu Takezawa, Tomoki Shiozaki | 2023-08-29 |
| 11466042 | Method for producing ferric citrate hydrate | Takayuki Miyaoku | 2022-10-11 |
| 11424824 | OSNR spectrum estimation apparatus, OSNR spectrum estimation method, and program | Hiroki Kawahara, Takeshi Seki, Tsutomu Kubo | 2022-08-23 |
| 11329445 | Optical amplifier, optical transmission system, and optical cable failure part measurement method | Takashi Kotanigawa, Tsutomu Kubo | 2022-05-10 |
| 11206084 | Dispersion compensation designing device, dispension compensation method, optical transmission system, and program | Minoru Yamaguchi, Tsutomu Kubo | 2021-12-21 |
| 11146098 | Precharge control apparatus | — | 2021-10-12 |
| 10910972 | Control apparatus and onboard system | Tomohisa Ose | 2021-02-02 |
| 10889174 | Control apparatus and control method for hybrid vehicle | Shigeru Maeda | 2021-01-12 |
| 9969836 | Radical-polymerizable resin composition, curing method thereof, method of producing same, use of radical-polymerizable resin composition, and use method of thereof | Kunihiro KUROKI, Kenji Miura, Yoichiro SAKAGUCHI | 2018-05-15 |
| 9692543 | Optical transmission system | Toshiya Matsuda, Fukutaro HAMAOKA, Akira Naka | 2017-06-27 |
| 8008876 | Hybrid electric vehicle | Kei Yonemori, Nobuhide Seo, Hirofumi Akagi, Hideaki Fujita | 2011-08-30 |
| 7940018 | Control system for a hybrid electric vehicle and a method for controlling a hybrid electric vehicle | Kei Yonemori, Nobuhide Seo, Hirofumi Akagi, Hideaki Fujita | 2011-05-10 |
| 5095706 | Start-up method of steam turbine plant and condenser employed for said method | Hiroki Yamagishi, Toshiki Furukawa, Toshio Sato, Hiroshi Hamano, Yoshio Nakano +2 more | 1992-03-17 |
| 4832460 | Liquid crystal apparatus having pressure absorbing means | Koh Fujimura, Kenzo Endo | 1989-05-23 |