Issued Patents All Time
Showing 51–75 of 172 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9160529 | Secret communication system and method for generating shared secret information | Akio Tajima, Wakako Maeda, Seigo Takahashi | 2015-10-13 |
| 9112677 | Communication device and cryptographic key creation method in cryptographic key sharing system | Akio Tajima | 2015-08-18 |
| 9098102 | Reference voltage generating circuit | Hirokazu Kadowaki, Hideaki Miyoshi | 2015-08-04 |
| 9071014 | Connector | Fumitoshi Akaike, Atsushi Ishii, Yuuki Kawabata, Shinichi Masamoto, Takashi Shimizu | 2015-06-30 |
| 8949300 | Circuit and method for controlling quality of random numbers | Akio Tajima, Seigo Takahashi, Wakako Maeda | 2015-02-03 |
| 8775170 | Digital voice communication control device and method | — | 2014-07-08 |
| 8773745 | Electrochromic material | Toshihiko Nagamura, Masaaki Ozawa, Osamu Hirata, Keisuke Odoi, Takeshi Sakano | 2014-07-08 |
| 8722562 | Metal fine particle dispersant containing branched polymer compound having ammonium group | Keisuke Kojima, Keisuke Odoi, Hideo Nagashima, Takashi Sue | 2014-05-13 |
| 8718485 | Quantum key distribution system, optical transmitter, optical modulation control circuit, and optical modulation control method | Akio Tajima, Seigo Takahashi, Wakako Maeda | 2014-05-06 |
| 8638942 | Method and system for managing shared random numbers in secret communication network | Wakako Maeda, Akio Tajima, Seigo Takahashi | 2014-01-28 |
| 8590137 | Method of manufacturing a stator | Hiroaki Urano, Eiji Yamada, Kazutaka Tatematsu, Yasuhiro Endo, Yasuaki Tahara +1 more | 2013-11-26 |
| 8535080 | Connector | Naohiro Nakatsuji, Masao Tada, Shinichiro KOMAKI | 2013-09-17 |
| 8529281 | Connector | Naohiro Nakatsuji, Masao Tada, Shinichiro KOMAKI | 2013-09-10 |
| 8406615 | Content reproduction device | Hideki Kagemoto, Koichiro Yamaguchi, Yoshihisa Terada | 2013-03-26 |
| 8391491 | Communication system and synchronization control method | Akio Tajima, Seigo Takahashi, Wakako Maeda | 2013-03-05 |
| 8362190 | Method for producing hyperbranched polymer | Satoru Hatayama | 2013-01-29 |
| 8338554 | Hyperbranched polymer and method for producing the same | Kei Yasui, Masaaki Ozawa, Hiroki Takemoto | 2012-12-25 |
| 8269476 | Load controller to pulse width modulation-control a load | Hiroo Yabe, Tsuyoshi Uchikura, Tatsumi Tashiro, Masahiro Kasai | 2012-09-18 |
| 8260714 | Terminal apparatus and system thereof | Ryuichi Okamoto, Tohru Nakahara, Shinya Kemi, Koji Miura, Atsunori Sakurai +2 more | 2012-09-04 |
| 8235753 | Contact, and card adaptor and card connector having the same | Yasuo Nakai | 2012-08-07 |
| 8204231 | Method and device for managing cryptographic keys in secret communications network | Wakako Maeda, Akio Tajima, Seigo Takahashi | 2012-06-19 |
| 8184989 | Communication system and timing control method | Wakako Maeda, Akio Tajima, Seigo Takahashi | 2012-05-22 |
| 8171354 | Communication system and method for controlling the same | Akio Tajima, Seigo Takahashi, Wakako Maeda | 2012-05-01 |
| 8138640 | Rotating electric machine and cooling system for the rotating electric machine | Hiroaki Urano, Eiji Yamada, Kazutaka Tatematsu, Yasuji Taketsuna, Atomi Arakawa +3 more | 2012-03-20 |
| 8109794 | Contact, and card adaptor and card connector having the same | Yasuo Nakai | 2012-02-07 |