TN

Takahisa Nitta

UN Unknown: 23 patents #164 of 83,584Top 1%
SI Sipec: 6 patents #1 of 7Top 15%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
TO Tadahiro Ohmi: 4 patents #6 of 65Top 10%
IA I.F. Associates: 4 patents #1 of 16Top 7%
FI Fujikin Incorporated: 3 patents #115 of 318Top 40%
Canon: 2 patents #12,681 of 19,416Top 70%
SC Stella Chemifa: 2 patents #35 of 80Top 45%
TS Tadashi Shibata: 1 patents #4 of 7Top 60%
HK Hitachi Kiden Kogyo: 1 patents #8 of 28Top 30%
Overall (All Time): #80,053 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 25 most recent of 40 patents

Patent #TitleCo-InventorsDate
8420974 Long life welding electrode and its fixing structure, welding head, and welding method Tadahiro Ohmi, Yasuyuki Shirai, Osamu Nakamura 2013-04-16
7312415 Plasma method with high input power Tadahiro Ohmi, Masaki Hirayama, Haruyuki Takano, Ryu Kaiwara 2007-12-25
7296048 Semiconductor circuit for arithmetic processing and arithmetic processing method Tadahiro Ohmi, Makoto Imai, Toshiyuki Nozawa, Masanori Fujibayashi, Koji Kotani +1 more 2007-11-13
7195024 Chemical supply system Nobuhiro Miki, Yoshiaki Yamaguchi 2007-03-27
6962283 Welding method for fluorine-passivated member for welding, fluorine-passivated method after being weld, and welded parts priority data Tadahiro Ohmi, Yasuyuki Shirai, Osamu Nakamura 2005-11-08
6940034 Long life welding electrode and its fixing structure, welding head, and welding method Tadahiro Ohmi, Yasuyuki Shirai, Osamu Nakamura 2005-09-06
6818320 Welding method for welded members subjected to fluoride passivation treatment, fluoride passivation retreatment method, and welded parts Tadahiro Ohmi, Yasuyuki Shirai, Osamu Nakamura 2004-11-16
6764212 Chemical supply system Nobuhiro Miki, Yoshiaki Yamaguchi 2004-07-20
6733732 Reactor for generating moisture Tadahiro Ohmi, Koji Kawada, Yoshikazu Tanabe, Nobukazu Ikeda, Akihiro Morimoto +3 more 2004-05-11
6728745 Semiconductor circuit for arithmetic operation and method of arithmetic operation Tadahiro Ohmi, Makoto Imai, Toshiyuki Nozawa, Masanori Fujibayashi, Koji Kotani +1 more 2004-04-27
6719875 Plasma process apparatus Tadahiro Ohmi, Masaki Hirayama, Ryu Kaiwara, Kazuhide Ino 2004-04-13
6704757 Semiconductor arithmetic unit Tadahiro Ohmi, Tadashi Shibata, Akira Nakada, Tatsuro Morimoto 2004-03-09
6630031 Surface purification apparatus and surface purification method Nobuhiro Miki 2003-10-07
6612898 Method for forming oxidation-passive layer, fluid-contacting part, and fluid feed/discharge system Tadahiro Ohmi 2003-09-02
6610168 Resist film removal apparatus and resist film removal method Nobuhiro Miki 2003-08-26
6563072 Welding technique for forming passive chromium oxide film in weld and gas feed system for welding Tadahiro Ohmi, Yasuyuki Shirai, Osamu Nakamura 2003-05-13
6533902 Ultraviolet processing apparatus and ultraviolet processing method Nobuhiro Miki 2003-03-18
6503464 Ultraviolet processing apparatus and ultraviolet processing method Nobuhiro Miki 2003-01-07
6462298 Long life welding electrode and its fixing structure, welding head and welding method Tadahiro Ohmi, Yasuyuki Shirai, Osamu Nakamura 2002-10-08
6456532 Semiconductor memory device Tadahiro Ohmi, Tadashi Shibata, Keng Hoong Wee, Takemi Yonezawa, Toshiyuki Nozawa 2002-09-24
6436353 Gas recovering apparatus Tadahiro Ohmi, Yasuyuki Shirai, Taiji Hashimoto, Kazuhide Ino 2002-08-20
6416586 Cleaning method Tadahiro Ohmi, Toshihiro Il, Kenji Mori, Toshikazu Abe, Hirosi Arakawa 2002-07-09
6357385 Plasma device Tadahiro Ohmi, Masaki Hirayama, Haruyuki Takano, Ryu Kaiwara 2002-03-19
6348157 Cleaning method Tadahiro Ohmi, Kazuhiko Kawada, Mitsunori Nakamori, Toshihiro II 2002-02-19
6325081 Washing apparatus and washing method Nobuhiro Miki, Yasuyuki Harada, Tadahiro Ohmi 2001-12-04