KI

Kazuhiko Ikeda

HC Hirose Electric Co.: 9 patents #27 of 407Top 7%
FL Fujitsu Component Limited: 6 patents #91 of 281Top 35%
MC Mitsubishi Gas Chemical Company: 5 patents #395 of 1,727Top 25%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
FL Fujitsu Takamisawa Component Limited: 2 patents #43 of 113Top 40%
PL Panafacom Limited: 2 patents #9 of 37Top 25%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
PL Pfu Limited: 1 patents #255 of 478Top 55%
FL Fujitsu Toshiba Mobile Communications Limited: 1 patents #30 of 113Top 30%
KC Kokusan Parts Industry Co.: 1 patents #15 of 23Top 70%
Overall (All Time): #101,156 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #TitleCo-InventorsDate
12351922 Roughening treatment method for stainless steel surface, method for manufacturing roughened stainless steel, and aqueous composition used in said methods Tomoko Fujii, Hiroshi Matsunaga 2025-07-08
11993851 Aqueous solution for surface treatment, method for producing surface-treated alloy, and composite and method for producing the same Tomoko Fujii, Shun Fukazawa 2024-05-28
11926904 Aqueous composition, method for roughening stainless steel surface in which same is used, roughened stainless steel, and method for manufacturing same Tomoko Fujii, Hiroshi Matsunaga, Satoshi Tamai 2024-03-12
10103485 Coaxial connector Koyo SHIMIZU, Takumi Yoshida 2018-10-16
9179551 Method for producing printed-wiring board Kenichi Takahashi 2015-11-03
8135381 Mobile apparatus Shiro Shimaoka, Hideki Nakashima, Noboru Imazawa 2012-03-13
7986272 Antenna apparatus and electronic device Shigemi Kurashima, Masahiro Yanagi, Hideki Iwata, Takashi Arita, Takashi Yuba +1 more 2011-07-26
7903031 Antenna apparatus Masahiro Yanagi, Shigemi Kurashima, Hideki Iwata, Takashi Yuba, Masahiro Kaneko +5 more 2011-03-08
7737908 Antenna apparatus Masahiro Yanagi, Shigemi Kurashima, Hideki Iwata, Takashi Yuba, Masahiro Kaneko +5 more 2010-06-15
7684513 Amplifier circuit and amplifying method Takashi Izumi, Takashi Enoki 2010-03-23
7663568 Antenna apparatus Takashi Yuba, Shigemi Kurashima, Hideki Iwata, Masahiro Yanagi, Takashi Arita +3 more 2010-02-16
7591652 Electrical connector and method of producing the same Masayuki Goto, Fumio Oshita 2009-09-22
7541818 Method and apparatus of electromagnetic measurement Hirofumi Kosaka, Shoichi Kajiwara, Hiroyuki Tani, Yoichiro Ueda, Atsushi Yamamoto 2009-06-02
7495618 Antenna apparatus and electronic device Shigemi Kurashima, Masahiro Yanagi, Hideki Iwata, Takashi Arita, Takashi Yuba +1 more 2009-02-24
7339533 Antenna apparatus and electronic device Shigemi Kurashima, Masahiro Yanagi, Hideki Iwata, Takashi Arita, Takashi Yuba +1 more 2008-03-04
7232528 Surface treatment agent for copper and copper alloy Akira Hosomi, Naoki Kogure, Kenichi Moriyama, Kenichi Takahashi, Atsushi Hosoda 2007-06-19
7025598 Coaxial electrical connector 2006-04-11
7021966 Coaxial connector Naoyuki Asano 2006-04-04
6997745 Coaxial electrical connector 2006-02-14
6690921 Receiving apparatus, base station apparatus using same and radio communication system Toshihiro Nagayama, Kazuhiko Takeyama, Koji Ishii, Takayoshi Morino 2004-02-10
6421530 Radio circuit having a local oscillator frequency which differs from the transmit frequency or the receive frequency and mobile radio apparatus Hisashi Adachi, Hiroaki Kosugi, Kaoru Ishida, Hiroshi Haruki, Junichi Yasuno 2002-07-16
6269539 Fabrication method of connector having internal switch Norihiro Takahashi, Fumio Kurotori, Hideo Miyazawa, Osamu Daikuhara, Kazuyuki Futaki +2 more 2001-08-07
6257591 Metal gasket and process for manufacturing the same Yoshitaka Abe, Hironobu Imanaka, Takashi Suzuki 2001-07-10
6056590 Connector having internal switch and fabrication method thereof Norihiro Takahashi, Fumio Kurotori, Hideo Miyazawa, Osamu Daikuhara, Kazuyuki Futaki +2 more 2000-05-02
5986583 Vehicle navigator for calculating distance based on mean acceleration Kenichi Nakano 1999-11-16