Issued Patents All Time
Showing 1–25 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429373 | Aquatic organism observation device, aquatic organism observation system, aquatic organism observation method, and recording medium | — | 2025-09-30 |
| 12422316 | Water pressure fluctuation measuring system and water pressure fluctuation measuring method | Eitaro Misumi | 2025-09-23 |
| 12385805 | Failure prediction system, failure prediction device, and failure prediction method | Hiroshi Kawakami, Makoto Saitoh | 2025-08-12 |
| 12345566 | Sensing range limiting device | — | 2025-07-01 |
| 12347286 | Water area monitoring device, water area monitoring system, water area monitoring method, and recording medium | Eitaro Misumi, Kenichi Nomura, Makoto Ogawa, Jun Muramatsu, Masaki Nakano | 2025-07-01 |
| 12323182 | Processing device, processing method, and recording medium | — | 2025-06-03 |
| 12298177 | Optical fiber sensing system, measuring device, and measuring method | — | 2025-05-13 |
| 12301295 | Communication system and method for controlling communication system | Yoshihisa Inada, Takehiro Nakano, Ryuji Aida | 2025-05-13 |
| 12235139 | Cable system | — | 2025-02-25 |
| 11982582 | Optical fiber cable and water pressure sensing system, and sensitivity correction method | Eitaro Misumi | 2024-05-14 |
| 11927463 | Measurement system, measurement device, and measurement method to detect a direction in which fluid flows | Eitaro Misumi, Makoto Saitoh | 2024-03-12 |
| 11920962 | Surveying system and surveying method | Eitaro Misumi | 2024-03-05 |
| 11802790 | Optical fiber cable for sound wave sensing | Eitaro Misumi | 2023-10-31 |
| 10480556 | Member joining method | — | 2019-11-19 |
| 10251378 | Transgenic mouse expressing kidney-specific human TGF-beta1, and biomarker for tissue fibrosis mouse model | Esteban C. Gabazza, Corina Gabazza | 2019-04-09 |
| 9307240 | Fade type determination device | Shintaro Chiba, Katsuyuki Ozaki, Toshiyuki Hayashi | 2016-04-05 |
| 8958692 | Optical fiber transmission system and power control method of the same | — | 2015-02-17 |
| 8718490 | Coherent optical orthogonal frequency division multiplexing (OFDM) reception using self optical carrier extraction | Lei Xu, Junqiang Hu, Ting Wang, Dayou Qian | 2014-05-06 |
| 8620161 | Wavelength multiplexing unit and wavelength multiplexing method of wavelength multiplexing optical transmission system | — | 2013-12-31 |
| 8218977 | Integrated equalizer and Michelson interferometer structure for inter-symbol interference-suppressed colorless DPSK demodulation | Philip Nan Ji, Lei Xu, Ting Wang, Shuji Murakami, Tsutomu Tajima | 2012-07-10 |
| 8169683 | Optical signal generation with D/A converters and optical clock pulse stream | Junqiang Hu, Ting Wang | 2012-05-01 |
| 8095011 | Wavelength division multiplexing filter, wavelength division multiplexing system, and wavelength division multiplexing method | Takefumi Oguma | 2012-01-10 |
| 8064768 | Intra-channel equalizing optical interleaver | Philip Nan Ji, Lei Xu, Ting Wang, Shuji Murakami, Tsutomu Tajima | 2011-11-22 |
| 8064775 | Generation of at least 100 Gbit/s optical transmission | Jianjun Yu, Lei Xu, Philip Nan Ji, Ting Wang, Dayou Qian | 2011-11-22 |
| 7526204 | Optical communication apparatus, optical communication system and method for transmitting optical signal | — | 2009-04-28 |