KK

Keiichi Kagawa

TC Taiyo Yuden Co.: 5 patents #261 of 959Top 30%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
MC Mitsui Mining & Smelting Co.: 3 patents #195 of 838Top 25%
NC Nissei Plastic Industrial Co.: 2 patents #80 of 189Top 45%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #382,994 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
9464221 Alumina sintered body and method for producing same Hiroshi Matsuda, Yoshitaka Fukushima, Yohei Sone, Hirotada Tanimoto, Yusuke Tanaka +1 more 2016-10-11
7833378 Method for manufacturing optical disc and optical disc Kazunori Ishikura, Izumi Igawa, Hidetoshi Egawa, Yuji SHIBUYA, Shinji Miki +1 more 2010-11-16
7303381 Device for manufacturing optical disc, method of manufacturing the same, and optical disc Kazunori Ishikura, Izumi Igawa, Hidetoshi Egawa, Yuji SHIBUYA, Shinji Miki +1 more 2007-12-04
6569259 Method of disposing of a waste optical disc 2003-05-27
6428932 Zinc alloy powder and alkaline battery using the same Mitsuo Shinoda, Seiji Fuchino, Kouji Morita, Yoshiaki Tanino, Makoto Matsuo +1 more 2002-08-06
5498509 Method of making an optical information recording substrate Yuaki Shin, Takashi Ishiguro, Emiko Hamada 1996-03-12
5398231 Optical information recording substrate and method of making thereof Yuaki Shin, Takashi Ishiguro, Emiko Hamada 1995-03-14
5273914 Method of fabricating a CMOS semiconductor devices Akio Miyajima, Akihira Shinohara, Kiyoyuki Morita, Takashi Uehara 1993-12-28
5092937 Process for treating semiconductors Mototsugu Ogura, Yuichi Hirofuji 1992-03-03
5030582 Method of fabricating a CMOS semiconductor device Akio Miyajima, Akihira Shinohara, Kiyoyuki Morita, Takashi Uehara 1991-07-09
4861688 Zinc-alkaline battery Akira Miura, Kanji Takata, Ryoji Okazaki, Toyohide Uemura 1989-08-29
4812374 Anode active material and alkaline cells containing same, and method for the production thereof Kiyoshi Taniyasu 1989-03-14
4465705 Method of making semiconductor devices Takeshi Ishihara 1984-08-14