KY

Koichi Yajima

Tdk: 9 patents #675 of 3,796Top 20%
DI Disco: 7 patents #90 of 708Top 15%
SK Showa Denko K.K.: 3 patents #463 of 1,736Top 30%
FL Foster Electric Company, Limited: 3 patents #5 of 76Top 7%
NC Nippon Aleph Co.: 3 patents #2 of 23Top 9%
SC Sekisui Chemical Co.: 2 patents #358 of 908Top 40%
KC Kansai Paint Co.: 1 patents #432 of 822Top 55%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
AC Alps Electric Co.: 1 patents #1,191 of 2,177Top 55%
Overall (All Time): #180,626 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12027330 Rotation angle detection sensor Eiichi Kosuge, Masaya HAGIYAMA 2024-07-02
12014887 Push switch Eiichi Kosuge, Masaya HAGIYAMA 2024-06-18
11972916 Fall detection sensor Eiichi Kosuge, Masaya HAGIYAMA 2024-04-30
10211009 Switch-containing cable Morikazu Nakada 2019-02-19
9980032 Earphone device and sound-reproducing system using the same 2018-05-22
D761233 Earphone Etsuo Kawaji 2016-07-12
7335578 Method for manufacturing semiconductor chip Masateru Fukuoka, Munehiro Hatai, Satoshi Hayashi, Yasuhiko Oyama, Shigeru Danjo +1 more 2008-02-26
7175453 Rotating connector Kazuhiko Ito 2007-02-13
7172950 Method for manufacturing semiconductor chip Kouji Takezoe, Akito Ichikawa, Koichi Tamura, Masahiko Kitamura, Masatoshi Nanjo +1 more 2007-02-06
6982211 Water jet processing method Satoshi Tateiwa, Kazuma Sekiya 2006-01-03
6939741 IC chip manufacturing method Masateru Fukuoka, Yasuhiko Oyama, Munehiro Hatai, Satoshi Hayashi, Shigeru Danjo +1 more 2005-09-06
6927416 Wafer support plate Kazuhisa Arai, Masatoshi Nanjo, Masahiko Kitamura, Shinichi Namioka 2005-08-09
6852608 Production method for semiconductor chip Masahiko Kitamura, Yusuke Kimura, Tomotaka Tabuchi 2005-02-08
6837776 Flat-object holder and method of using the same Yuzo Shimobeppu, Kazou Teshirogi, Kazuhiro Yoshimoto, Mitsuhisa Watanabe, Yoshiaki Shinjo +2 more 2005-01-04
6328825 Alloy used for production of a rare-earth magnet and method for producing the same Hiroshi Hasegawa, Shiro Sasaki, Yoichi Hirose, Shinya Fujito 2001-12-11
6045629 Alloy used for production of a rare-earth magnet and method for producing the same Hiroshi Hasegawa, Shiro Sasaki, Yoichi Hirose, Shinya Fujito 2000-04-04
5948179 Alloy used for production of a rare-earth magnet and method for producing the same Hiroshi Hasegawa, Shiro Sasaki, Yoichi Hirose, Shinya Fujito 1999-09-07
5595608 Preparation of permanent magnet Katashi Takebuchi, Shinya Fujito, Shinya Hashimoto 1997-01-21
5431747 Master alloy for magnet production and a permanent alloy Katashi Takebuchi 1995-07-11
5181973 Sintered permanent magnet Kazunori Hirose, Shinya Hashimoto 1993-01-26
5154978 Highly corrosion-resistant rare-earth-iron magnets Masatoshi Nakayama, Kenji Nakaya, Kunihiro Ueda, Masanori Shibahara, Takatoshi Ooyama +1 more 1992-10-13
5049208 Permanent magnets Osamu Kohmoto, Tetsuhito Yoneyama 1991-09-17
5022939 Permanent magnets Osamu Kohmoto, Tetsuhito Yoneyama 1991-06-11