JK

Junichi Kumagai

MC Mitsubishi Shindoh Co.: 5 patents #7 of 65Top 15%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
WC World Wide Stationery Mfg. Co.: 1 patents #17 of 21Top 85%
Overall (All Time): #579,849 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8319705 Plasma display device and driving method using all cell reset and on cell reset operations Katsumi Ito 2012-11-27
8207912 Driving method for plasma display panel and plasma display device Naoki Itokawa, Katsumi Ito, Masaki Kimura, Yasunobu Hashimoto, Tomokatsu Kishi 2012-06-26
7485200 Copper alloy and method of manufacturing the same Masahiko Ishida, Takeshi Suzuki 2009-02-03
7338631 Copper alloy and method of manufacturing the same Masahiko Ishida, Takeshi Suzuki 2008-03-04
7032274 Fittings for use in files 2006-04-25
5997810 High-strength copper based alloy free from smutting during pretreatment for plating Rensei Futatsuka, Shunichi Chiba 1999-12-07
5885376 Corrosion-resistant high-strength copper based alloy having excellent blankability Takeshi Suzuki, Manpei Kuwahara, Shin Kikuchi, Yoshiharu Mae, Katsuyoshi Narita +1 more 1999-03-23
5463247 Lead frame material formed of copper alloy for resin sealed type semiconductor devices Rensei Futatsuka, Shunichi Chiba 1995-10-31
4386839 Electrostatic copying apparatus Nobutaka Wakao 1983-06-07