TO

Toshikazu Okubo

TC Toppan Printing Co.: 6 patents #114 of 1,467Top 8%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
NU National University Corporation Gunma University: 2 patents #32 of 263Top 15%
JE Japan Energy: 1 patents #85 of 240Top 40%
NC Nihon Kogyo Co.: 1 patents #16 of 29Top 60%
Overall (All Time): #454,785 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10605771 Electroplating solution analyzer and electroplating solution analysis method Masahiro Kosugi 2020-03-31
10557819 Electrolytic copper plating solution analyzer, and electrolytic copper plating solution analysis method Masahiro Kosugi 2020-02-11
9883586 Wiring substrate for bonding using solder having a low melting point and method for manufacturing same Tetsuyuki TSUCHIDA, Ikuo Shohji, Akihiro HIRATA 2018-01-30
9572252 Wiring substrate and method of manufacturing wiring substrate Tetsuyuki TSUCHIDA, Ikuo Shohji, Takahiro Kano 2017-02-14
8440555 Method for analyzing electrolytic copper plating solution Katsuyoshi Naoi, Yuka Yamada 2013-05-14
8203322 DC-DC converter Takae Shimada, Hiroyuki Shoji, Junpei Uruno 2012-06-19
7936573 Bi-directional DC-DC converter and control method Tatsumi Yamauchi, Hiroyuki Shoji, Seigou Yukutake 2011-05-03
7820535 Method for analyzing copper electroplating solution, apparatus for the analysis, and method for fabricating semiconductor product Katsuyoshi Naoi, Yuka Yamada 2010-10-26
7692935 Bi-directional DC-DC converter and control method Tatsumi Yamauchi, Hiroyuki Shoji, Seigou Yukutake 2010-04-06
6156218 Method of pretreatment for electroless nickel plating Yoshiyuki Hisumi 2000-12-05
4614568 High-speed silver plating and baths therefor Yasuo Mori, Shunichi Kasai 1986-09-30