AT

Akihiro Tanaka

NE Nec: 46 patents #96 of 14,502Top 1%
HO Hosiden: 21 patents #11 of 328Top 4%
PE Pentax: 17 patents #102 of 761Top 15%
TO Toyota: 10 patents #2,889 of 26,838Top 15%
SI Sinwa: 9 patents #1 of 3Top 35%
KT Kabushiki Kaisha Toshiba: 9 patents #3,402 of 21,451Top 20%
Sumitomo Electric Industries: 8 patents #3,473 of 21,551Top 20%
NI Nissan Chemical Industries: 7 patents #203 of 1,150Top 20%
PA Panasonic: 7 patents #3,841 of 21,108Top 20%
KU Kyushu University: 5 patents #9 of 186Top 5%
TS Toshiba Electronic Devices & Storage: 5 patents #146 of 900Top 20%
Ricoh Company: 5 patents #3,664 of 9,818Top 40%
DE Denso: 5 patents #2,617 of 11,792Top 25%
Pioneer: 3 patents #574 of 1,730Top 35%
GL Gunze Limited: 2 patents #54 of 349Top 20%
AK Asahi Kogaku Kogyo K.K.: 2 patents #47 of 180Top 30%
CC Citizen Watch Co.: 2 patents #460 of 1,225Top 40%
AC Aica Kogyo Co.: 2 patents #7 of 65Top 15%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
IJ Ishikawajima-Harima Jukogyo: 2 patents #81 of 494Top 20%
NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%
YA Yazaki: 2 patents #1,574 of 3,427Top 50%
NP Nec Platforms: 1 patents #114 of 361Top 35%
NC Niigata Seimitsu Co.: 1 patents #15 of 18Top 85%
NK Nikko Kogyo Kabushiki Kaisha: 1 patents #7 of 28Top 25%
NC Nippon Oil & Fats Co.: 1 patents #173 of 409Top 45%
NS Nippon Soken: 1 patents #783 of 1,540Top 55%
AC Aisin Aw Co.: 1 patents #1,133 of 2,011Top 60%
ME Megahouse: 1 patents #2 of 8Top 25%
NG Nisshin Seifun Group: 1 patents #57 of 96Top 60%
OH Oji Holdings: 1 patents #74 of 176Top 45%
JE Jeol: 1 patents #309 of 669Top 50%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
Rohm Co.: 1 patents #1,438 of 2,292Top 65%
AK Aisan Kogyo Kabushiki Kaisha: 1 patents #344 of 642Top 55%
CK Citizen Tokei Kabushiki Kaisha: 1 patents #13 of 28Top 50%
CT C.I. Takiron: 1 patents #7 of 16Top 45%
SC Sumitomo Special Metals Co.: 1 patents #136 of 262Top 55%
TC Tokyo Gas Co.: 1 patents #144 of 412Top 35%
AC Anritsu Infivis Co.: 1 patents #6 of 18Top 35%
FI Fujifilm Business Innovation: 1 patents #3,579 of 5,238Top 70%
Canon: 1 patents #14,899 of 19,416Top 80%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
NA Nec Laboratories America: 1 patents #215 of 412Top 55%
📍 Himeji, NJ: #1 of 1 inventorsTop 100%
Overall (All Time): #4,660 of 4,157,543Top 1%
172
Patents All Time

Issued Patents All Time

Showing 51–75 of 172 patents

Patent #TitleCo-InventorsDate
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