Issued Patents All Time
Showing 25 most recent of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11796987 | System and method for supporting production management | Hisashi Uehara, Kenichirou KAWAKAMI, Hiroyuki Maeda | 2023-10-24 |
| 11593739 | System and method for supporting production management | Kenichirou KAWAKAMI, Shigeyasu KUBO, Kazuhiro Matsuya | 2023-02-28 |
| 11493905 | System and method for supporting production management | Kazuhiro Matsuya, Kenichirou KAWAKAMI, Shigeyasu KUBO | 2022-11-08 |
| 11367032 | System and method for supporting production management | Yoshihito Doi, Kenichirou KAWAKAMI, Megumi Sakai, Shigeyasu KUBO, Kazuhiro Matsuya | 2022-06-21 |
| 11269317 | System and method for supporting production management | Shigeyasu KUBO, Kenichirou KAWAKAMI, Kazuhiro Matsuya | 2022-03-08 |
| 9137158 | Communication apparatus and communication method | Taisuke UETA, Hayato HOSHIHARA, Masayuki Takase, Akihiko Tsuchiya | 2015-09-15 |
| 9065862 | Communication device, method for controlling the communication device, and communication system | Masayuki Takase, Akihiko Tsuchiya, Taisuke UETA, Hayato HOSHIHARA | 2015-06-23 |
| 8724995 | Passive optical network system and operating method thereof | Tohru Kazawa, Akihiko Tsuchiya, Norihiro Sakamoto, Masatoshi Takihiro | 2014-05-13 |
| 8554075 | Communication system, subscriber accommodating apparatus and communication method | Masahiko Mizutani, Nobuyuki Yamamoto, Yoshihiro Ashi | 2013-10-08 |
| 8532491 | Optical multiplexing terminating device, passive optical network system and method for allocating wavelength | Norihiro Sakamoto, Tohru Kazawa, Akihiko Tsuchiya | 2013-09-10 |
| 8467684 | Apparatus of adjusting optical signal transmission timing | Tohru Kazawa, Masaki Ohira, Akihiko Tsuchiya, Yoshinobu Morita | 2013-06-18 |
| 8457492 | Optical access system | Masaki Ohira, Tohru Kazawa, Akihiko Tsuchiya | 2013-06-04 |
| 8428457 | Optical passive network system and its operation method | Masahiko Mizutani, Akihiko Tsuchiya | 2013-04-23 |
| 8422375 | Communication system and communication apparatus | Masahiko Mizutani, Takayuki Kanno, Takeshi Yasuda | 2013-04-16 |
| 8374503 | Passive optical network system and optical line terminal | Norihiro Sakamoto, Tohru Kazawa | 2013-02-12 |
| 8254780 | Passive optical network system and fault determination method | Masahiko Mizutani, Yoshihiro Ashi | 2012-08-28 |
| 8249458 | Optical communication system and method for operating the same | Masahiko Mizutani | 2012-08-21 |
| 8249455 | Passive optical network system and ranging method | Tohru Kazawa, Masaki Oohira | 2012-08-21 |
| 8249454 | Optical communication system and optical line terminating apparatus | Toshiki Sugawara, Tohru Kazawa | 2012-08-21 |
| 8204168 | Bit synchronization circuit with phase tracking function | Tohru Kazawa, Yoshihiro Ashi | 2012-06-19 |
| 8184976 | Passive optical network system and operating method thereof | Tohru Kazawa, Taishi Shinagawa | 2012-05-22 |
| 8139950 | Passive optical network system, optical line terminator and, communication method of passive optical network system | Masao Niibe, Tohru Kazawa, Takeshi Kiyose, Masahiko Mizutani | 2012-03-20 |
| 8116627 | PON system method for receiving optical signal and OLT | Hiroki Ikeda, Toshiki Sugawara | 2012-02-14 |
| 8107824 | Passive optical network system and communication method therefor | Akihiko Tsuchiya, Tohru Kazawa | 2012-01-31 |
| 8095004 | Passive optical network system and operation method of the same | Masahiko Mizutani | 2012-01-10 |