KI

Kazuhiko Ishii

UN Unknown: 22 patents #172 of 83,584Top 1%
ND Ntt Docomo: 19 patents #155 of 1,706Top 10%
NK Nippon Kayaku: 7 patents #76 of 1,103Top 7%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
ME Mitsubishi Engineering-Plastics: 4 patents #21 of 163Top 15%
TI Takeda Chemical Industries: 2 patents #497 of 1,420Top 35%
TT The University Of Tokyo: 2 patents #500 of 2,633Top 20%
MC Mitsubishi Gas Chemical Company: 2 patents #789 of 1,727Top 50%
ND Nit Docomo: 1 patents #1 of 27Top 4%
NC Nippon Paint Holdings Co.: 1 patents #415 of 834Top 50%
Overall (All Time): #83,367 of 4,157,543Top 3%
39
Patents All Time

Issued Patents All Time

Showing 25 most recent of 39 patents

Patent #TitleCo-InventorsDate
8468094 Electronic value exchange system, mobile terminal, and electronic value exchange method Ken Sakamura, Noboru Koshizuka, Kensaku Mori, Masayuki Terada, Sadayuki Hongo 2013-06-18
8306919 IC card and authentication method in electronic ticket distribution system Ken Sakamura, Noboru Koshizuka, Hiroshi Aono, Kensaku Mori, Sadayuki Hongo 2012-11-06
8161499 Data processing device and data processing method Ken Sakamura, Noboru Koshizuka, Masayuki Terada, Kensaku Mori, Sadayuki Hongo 2012-04-17
8122261 Data communication apparatus and data communication method Ken Sakamura, Noboru Koshizuka, Masayuki Terada, Kensaku Mori, Sadayuki Hongo 2012-02-21
7975029 Terminal equipment Ken Sakamura, Noboru Koshizuka, Masayuki Terada, Kensaku Mori, Sadayuki Hongo 2011-07-05
7896236 Electronic value exchange system and electronic value exchange method Ken Sakamura, Noboru Koshizuka, Kensaku Mori, Masayuki Terada, Sadayuki Hongo 2011-03-01
7882030 Connection information management system for managing connection information used in communications between IC cards Ken Sakamura, Noboru Koshizuka, Kensaku Mori, Hiroshi Aono, Sadayuki Hongo 2011-02-01
7865438 Electronic value exchange method, user device, and third-party device Masayuki Terada, Kensaku Mori, Sadayuki Hongo 2011-01-04
7861293 Mobile terminal and authentication method Masayuki Terada, Kensaku Mori, Sadayuki Hongo 2010-12-28
7814557 IC card and access control method Ken Sakamura, Noboru Koshizuka, Masayuki Terada, Kensaku Mori, Sadayuki Hongo 2010-10-12
7590591 Electronic value exchange system and electronic value exchange method Masayuki Terada, Kensaku Mori, Sadayuki Hongo 2009-09-15
7580897 IC card and authentication method in electronic ticket distribution system Ken Sakamura, Noboru Koshizuka, Hiroshi Aono, Kensaku Mori, Sadayuki Hongo 2009-08-25
7500605 Tamper resistant device and file generation method Kensaku Mori, Masayuki Terada, Sadayuki Hongo 2009-03-10
7416114 Electronic value transfer device equipped with non-contact IC interface Ken Sakamura, Noboru Koshizuka, Kensaku Mori, 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 Ken Sakamura, Noboru Koshizuka, Hiroshi Aono, Kensaku Mori, Sadayuki Hongo 2008-07-22
7357329 IC card, terminal device, and data communication method Ken Sakamura, Noboru Koshizuka, Kensaku Mori, Hiroshi Aono, Sadayuki Hongo 2008-04-15
7346718 Autonomous integrated-circuit card Ken Sakamura, Noboru Koshizuka, Kensaku Mori, Hiroshi Aono, Sadayuki Hongo 2008-03-18
7340243 Connection information management system for managing connection information used in communications between IC cards Ken Sakamura, Noboru Koshizuka, Kensaku Mori, Hiroshi Aono, Sadayuki Hongo 2008-03-04
7287165 IC card, portable terminal, and access control method Hiroshi Aono, Kensaku Mori, Sadayuki Hongo 2007-10-23
7052756 Adhesive for optical disk and optical disk Kiyohisa Tokuda, Go Mizutani 2006-05-30
7031695 Portable terminal, access control method, and access control program Hiroshi Aono, Kensaku Mori, Sadayuki Hongo 2006-04-18
6873671 Reactor manual control system Shigeru Udono, Koji Masui, Masahiro Matsuda 2005-03-29
6664313 Polycarbonate resin composition and its molded articles Yasuhiro Hirai 2003-12-16
6590952 Reactor manual control system Shigeru Udono, Koji Masui, Masahiro Matsuda 2003-07-08
6369141 Flame-retardant polycarbonate resin composition Ken Shimomai, Michio Nakata 2002-04-09