KS

Ken Sakamura

UN Unknown: 26 patents #128 of 83,584Top 1%
ND Ntt Docomo: 14 patents #207 of 1,706Top 15%
Mitsubishi Electric: 12 patents #2,296 of 25,717Top 9%
YP Yokosuka Telecom Research Park: 8 patents #1 of 12Top 9%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
KT Kabushiki Kaisha Toshiba: 5 patents #24 of 229Top 15%
HE Hitachi Micro Computer Engineering: 5 patents #10 of 393Top 3%
TT The University Of Tokyo: 2 patents #500 of 2,633Top 20%
PL Panafacom Limited: 1 patents #11 of 37Top 30%
Yamaha: 1 patents #1,232 of 2,001Top 65%
MD Mitsubisih Denki: 1 patents #26 of 381Top 7%
HS Hitachi Microcomputer System: 1 patents #104 of 257Top 45%
Overall (All Time): #70,975 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 25 most recent of 43 patents

Patent #TitleCo-InventorsDate
8688969 Cryptographic management apparatus, decryption management apparatus and program Shingo Miyazaki, Takanori Nakamizo, Akito Niwa, Koji Okada, Kouya Tochikubo +3 more 2014-04-01
8468094 Electronic value exchange system, mobile terminal, and electronic value exchange method Noboru Koshizuka, Kensaku Mori, Masayuki Terada, Kazuhiko Ishii, Sadayuki Hongo 2013-06-18
8417964 Software module management device and program Shingo Miyazaki, Fumihiko Sano, Koji Okada, Shigeyuki Fukushima, Chiaki Ishikawa +1 more 2013-04-09
8406422 Cryptographic module management apparatus, method, and program Shingo Miyazaki, Takanori Nakamizo, Akito Niwa, Koji Okada, Kouya Tochikubo +3 more 2013-03-26
8396218 Cryptographic module distribution system, apparatus, and program Shingo Miyazaki, Takanori Nakamizo, Akito Niwa, Koji Okada, Kouya Tochikubo +3 more 2013-03-12
8370643 Cryptographic module selecting device and program Shingo Miyazaki, Takanori Nakamizo, Akito Niwa, Koji Okada, Kouya Tochikubo +3 more 2013-02-05
8306919 IC card and authentication method in electronic ticket distribution system Noboru Koshizuka, Hiroshi Aono, Kazuhiko Ishii, Kensaku Mori, Sadayuki Hongo 2012-11-06
D668638 Antenna for wireless communication Hisanori Matsumoto, Tatsushi Morokuma 2012-10-09
D668639 Antenna for wireless communication Hisanori Matsumoto, Tatsushi Morokuma 2012-10-09
D668640 Antenna for wireless communication Hisanori Matsumoto, Tatsushi Morokuma 2012-10-09
8161499 Data processing device and data processing method Noboru Koshizuka, Masayuki Terada, Kensaku Mori, Kazuhiko Ishii, Sadayuki Hongo 2012-04-17
8122261 Data communication apparatus and data communication method Noboru Koshizuka, Masayuki Terada, Kensaku Mori, Kazuhiko Ishii, Sadayuki Hongo 2012-02-21
7975029 Terminal equipment Noboru Koshizuka, Masayuki Terada, Kensaku Mori, Kazuhiko Ishii, Sadayuki Hongo 2011-07-05
7896236 Electronic value exchange system and electronic value exchange method Noboru Koshizuka, Kensaku Mori, Masayuki Terada, Kazuhiko Ishii, Sadayuki Hongo 2011-03-01
7882030 Connection information management system for managing connection information used in communications between IC cards Noboru Koshizuka, Kazuhiko Ishii, Kensaku Mori, Hiroshi Aono, Sadayuki Hongo 2011-02-01
7814557 IC card and access control method Noboru Koshizuka, Kazuhiko Ishii, Masayuki Terada, Kensaku Mori, Sadayuki Hongo 2010-10-12
7580897 IC card and authentication method in electronic ticket distribution system Noboru Koshizuka, Hiroshi Aono, Kazuhiko Ishii, Kensaku Mori, Sadayuki Hongo 2009-08-25
7416114 Electronic value transfer device equipped with non-contact IC interface Noboru Koshizuka, Kensaku Mori, Kazuhiko Ishii, Hiroshi Aono, Sadayuki Hongo 2008-08-26
7403924 Communication terminal, portable terminal, circulating server, providing server, electronic book distributing method, and electronic book distributing program Noboru Koshizuka, Hiroshi Aono, Kazuhiko Ishii, Kensaku Mori, Sadayuki Hongo 2008-07-22
7357329 IC card, terminal device, and data communication method Noboru Koshizuka, Kensaku Mori, Kazuhiko Ishii, Hiroshi Aono, Sadayuki Hongo 2008-04-15
7346718 Autonomous integrated-circuit card Noboru Koshizuka, Kazuhiko Ishii, Kensaku Mori, Hiroshi Aono, Sadayuki Hongo 2008-03-18
7340243 Connection information management system for managing connection information used in communications between IC cards Noboru Koshizuka, Kazuhiko Ishii, Kensaku Mori, Hiroshi Aono, Sadayuki Hongo 2008-03-04
5680568 Instruction format with sequentially performable operand address extension modification 1997-10-21
5606675 Data processor for invalidating prefetched instruction or branch history information Akira Ohtsuka 1997-02-25
5434988 Data processor implementing a two's complement addressing technique Toyohiko Yoshida 1995-07-18