MK

Masashi Kumagai

NC Nikko-Materials Co.: 16 patents #1 of 74Top 2%
NC Nippon Mining & Metals Co.: 5 patents #17 of 166Top 15%
MK Meiji Seika Kaisha: 1 patents #353 of 752Top 50%
NL Nippon Mining Company Limited: 1 patents #97 of 262Top 40%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Toda, JP: #8 of 212 inventorsTop 4%
Overall (All Time): #174,938 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
8568856 Two-layer flexible substrate Katsuyuki Tsuchida, Hironori Kobayashi, Ryu Murakami 2013-10-29
8449751 Copper electrolytic solution containing amine compound having specific skeleton and organosulfur compound as additives, and electrolytic copper foil produced using the same Mikio Hanafusa 2013-05-28
8182594 Electroless nickel plating liquid Eiji Hino 2012-05-22
8084044 Pseudomonas aeruginosa outer membrane protein PA0427 Jiro Tanaka, Fukuichi Ohsawa, Takafumi Okutomi, Hiroshi Nagaso, Takahisa Suzuki +1 more 2011-12-27
7824534 Copper electrolytic solution containing as additive compound having specific skeleton, and electrolytic copper foil manufactured therewith Katsuyuki Tsuchida, Hironori Kobayashi 2010-11-02
7777078 Copper electrolytic solution and electrolytic copper foil produced therewith Mikio Hanafusa 2010-08-17
7771835 Copper electrolytic solution containing quaternary amine compound with specific skeleton and oragno-sulfur compound as additives, and electrolytic copper foil manufactured using the same Mikio Hanafusa 2010-08-10
7678257 Copper electrolytic solution containing quaternary amine compound polymer with specific skeleton and organo-sulfur compound as additives, and electrolytic copper foil manufactured using the same Mikio Hanafusa 2010-03-16
7651783 Surface treated copper film Katsuyuki Tsuchida, Fumiaki Akase 2010-01-26
7432335 Basic silane coupling agent organic carboxylate composition, method for producing the same, and epoxy resin composition containing the same Takashi Ouchi, Katsuyuki Tsuchida 2008-10-07
7378160 Copper electrolytic solution containing amine compound having specific skeleton and organosulfur compound as additives, and electrolytic copper foil produced using the same Mikio Hanafusa 2008-05-27
7300501 Electroless gold plating liquid Eiji Hino 2007-11-27
7144491 Copper electrolytic solution containing organic sulfur compound and quaternary amine compound of specified skeleton as additives and electrolytic copper foil produced therewith Mikio Hanafusa 2006-12-05
7109273 Solid silane coupling agent composition, process for producing the same, and resin composition containing the same Katsuyuki Tsuchida 2006-09-19
7094845 Basic silane coupling agent organic carboxylate composition, method for producing the same, and epoxy resin composition containing the same Takashi Ouchi, Katsuyuki Tsuchida 2006-08-22
7045461 Metal plating method, pretreatment agent, and semiconductor wafer and semiconductor device obtained using these Toru Imori, Junnosuke Sekiguchi 2006-05-16
7005055 Copper electrolytic solution containing amine compound having specific skeleton and organosulfur compound as additives, and electrolytic copper foil produced using the same Mikio Hanafusa 2006-02-28
6921577 Water-based metal surface treatment agent Takashi Ouchi, Katsuyuki Tsuchida 2005-07-26
6916865 Organic carboxylic acid salt composition, process for preparation thereof and additives for epoxy resins Takashi Ouchi, Katsuyuki Tsuchida 2005-07-12
6835241 Surface treatment for copper foil Katsuyuki Tsuchida, Fumiaki Akase 2004-12-28
6731959 Portable telephone set with hinged lid Susumu Otsuki, Mamoru Yoshida 2004-05-04
6710181 Imidazole/organic monocarboxylic acid salt derivative reaction product, method for producing the same, and surface treatment agent, resin additive and resin composition using the same Katsuyuki Tsuchida 2004-03-23
6605356 Metal surface treatment agent, and metal material coated with same Takashi Ouchi, Katsuyuki Tsuchida 2003-08-12
5258522 Imidazole-silane compounds and metal surface finishing agent containing the same Katsuyuki Tsuchida, Yukio Ogino 1993-11-02