Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9883262 | Optical network system, optical switch node, master node, and node | Kyota HATTORI, Naoki Kimishima, Masahiro Nakagawa, Masaru Katayama | 2018-01-30 |
| 8909042 | Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method | Eiji Oki, Masaru Katayama, Satoru Okamoto | 2014-12-09 |
| 8081881 | Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method | Eiji Oki, Masaru Katayama, Satoru Okamoto | 2011-12-20 |
| 7894368 | OVPN system, OVPN terminating device, collective controlling device, and optical communication network | Satoru Okamoto, Masaru Katayama, Naoaki Yamanaka | 2011-02-22 |
| 7720390 | Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method | Eiji Oki, Masaru Katayama, Satoru Okamoto | 2010-05-18 |
| 7630649 | Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method | Eiji Oki, Masaru Katayama, Satoru Okamoto | 2009-12-08 |
| 5427883 | Toner composition for electrophotography | Kazuo Hisamatsu, Keiichi Ishikawa, Kazuo Hagiwara, Masaaki Shin | 1995-06-27 |
| 5387665 | Resins for electrohotographic toners | Masanobu Ajioka | 1995-02-07 |
| 5362595 | Electrophotographic toner production process | Nobuhiro Hirayama, Masaaki Shin, Shoji Kawasaki, Akio Fujiwara, Kenji Uchiyama | 1994-11-08 |
| 5279915 | Toner composition for electrophotography | Kazuo Hagiwara, Kazuo Hisamatsu, Keiichi Ishikawa, Masaaki Shin | 1994-01-18 |
| 5202212 | Toner composition for electrophotography | Masaaki Shin, Kazuo Hagiwara, Kazuo Hisamatsu, Keiichi Ishikawa | 1993-04-13 |
| 5084368 | Electrophotographic toner | Nobuhiro Hirayama, Masaaki Shin, Shoji Kawasaki, Akio Fujiwara, Kenji Uchiyama | 1992-01-28 |
| 5037715 | Resins for toner of electrophotography and method for manufacturing the same | Kazuo Hagiwara, Kazuo Hisamatsu, Masaaki Shin | 1991-08-06 |
| 4981923 | Resins for toner of electrophotography and method for manufacturing the same | Kazuo Hagiwara, Kazuo Hisamatsu, Masaaki Shin | 1991-01-01 |
| 4963456 | Electrophotographic toner | Masaaki Shin, Nobuhiro Hirayama, Keiichi Ishikawa | 1990-10-16 |
| 4833057 | Toner composition for the electrophotography | Hisatomo Sato, Keiichi Ishikawa, Masaaki Shin, Akio Fujiwara, Kazuo Hisamatsu +2 more | 1989-05-23 |
| 4308471 | Product circuit | — | 1981-12-29 |
| 4244055 | Tuner with phase locked loop synthesizer | Tatsuo Numata | 1981-01-06 |
| 4228542 | Digital tuning FM stereophonic receiver including phase locked loop synthesizer | Tatsuo Numata | 1980-10-14 |