TO

Tadahiro Ohmi

FI Fujikin Incorporated: 86 patents #6 of 318Top 2%
TL Tokyo Electron Limited: 80 patents #18 of 5,567Top 1%
NU National University Corporation Tohoku University: 48 patents #1 of 170Top 1%
TU Tohoku University: 46 patents #4 of 1,680Top 1%
Canon: 45 patents #884 of 19,416Top 5%
TO Tadahiro Ohmi: 32 patents #1 of 65Top 2%
AC Alps Electric Co.: 25 patents #34 of 2,177Top 2%
ZS Zaidan Hojin Handotai Kenkyu Shinkokai: 17 patents #2 of 34Top 6%
Sharp Kabushiki Kaisha: 14 patents #1,181 of 10,731Top 15%
NS Nippon Sanso: 11 patents #10 of 243Top 5%
FI Frontec Incorporated: 10 patents #3 of 40Top 8%
SC Stella Chemifa: 8 patents #7 of 80Top 9%
HS Handotai Kenkyu Shinkokai: 7 patents #2 of 4Top 50%
OR Organo: 7 patents #10 of 167Top 6%
TK Takasago Netsugaku Kogyo Kabushiki Kaisha: 7 patents #1 of 13Top 8%
HC Hashimoto Chemical: 6 patents #2 of 14Top 15%
SC Shin-Etsu Handotai Co.: 6 patents #126 of 679Top 20%
SR Semiconductor Research: 5 patents #2 of 22Top 10%
Rohm Co.: 5 patents #568 of 2,292Top 25%
TS Tadashi Shibata: 5 patents #1 of 7Top 15%
MC Mitsubishi Chemical: 5 patents #358 of 3,022Top 15%
IA I.F. Associates: 4 patents #1 of 16Top 7%
TA Taisei: 4 patents #11 of 224Top 5%
NI Nippon Valqua Industries: 4 patents #8 of 83Top 10%
HC Hashimoto Chemical Industries Co.: 4 patents #1 of 5Top 20%
OK Osaka Sanso Kogyo: 4 patents #4 of 46Top 9%
DC Daisho Denshi Co.: 4 patents #1 of 12Top 9%
TS Taiyo Nippon Sanso: 3 patents #31 of 203Top 20%
MW Motoyama Eng. Works: 3 patents #2 of 13Top 20%
ZE Zeon: 3 patents #220 of 734Top 30%
SE Seiko Epson: 3 patents #3,864 of 7,774Top 50%
YA Yazaki: 3 patents #1,239 of 3,427Top 40%
MC Mitsubishi Aluminum Co.: 3 patents #21 of 121Top 20%
AD Advantest: 3 patents #330 of 1,193Top 30%
HO Horiba: 2 patents #199 of 604Top 35%
FC Fuji Electric Co.: 2 patents #952 of 2,643Top 40%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
FV Future Vision: 2 patents #4 of 35Top 15%
KS Kabushiki Kaisha Watanabe Shoko: 2 patents #7 of 17Top 45%
Nichia: 2 patents #761 of 1,531Top 50%
PR Pretechnology: 2 patents #3 of 10Top 30%
SC Semiconductor Technology Academic Research Center: 2 patents #50 of 254Top 20%
SC Shinko Pantec Co.: 2 patents #17 of 55Top 35%
TC Tohoku Steel Co.: 2 patents #1 of 33Top 4%
NC Nippon Light Metal Company: 1 patents #203 of 499Top 45%
FC Furukawa Electric Co.: 1 patents #1,242 of 2,370Top 55%
NC Nihon Ceratec Co.: 1 patents #2 of 27Top 8%
MC Mtc Co.: 1 patents #1 of 20Top 5%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
MC Mitsui Engineering & Shipbuilding Co.: 1 patents #166 of 496Top 35%
KI Kurita Water Industries: 1 patents #167 of 384Top 45%
KC Kuraray Co.: 1 patents #981 of 1,827Top 55%
KU Kumamoto University: 1 patents #5 of 44Top 15%
TI Toyota Industries: 1 patents #904 of 1,610Top 60%
TL Toyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
KM Kabushiki Kaisha Motoyamaseisakusho: 1 patents #4 of 17Top 25%
IC Ibiden Co.: 1 patents #451 of 730Top 65%
TS Toshiba Mitsubishi-Electric Industrial Systems: 1 patents #206 of 368Top 60%
TK Toyo Denki Seizo Kabushiki Kaisha: 1 patents #10 of 29Top 35%
UI Ube Industries: 1 patents #895 of 1,686Top 55%
Applied Materials: 1 patents #4,780 of 7,310Top 70%
HP Hamamatsu Photonics: 1 patents #67 of 131Top 55%
PU President Of Tohoku University: 1 patents #10 of 28Top 40%
S- S-Tec: 1 patents #49 of 93Top 55%
NC Nissho Engineering Co.: 1 patents #7 of 26Top 30%
📍 Rifu, JP: #1 of 2,101 inventorsTop 1%
Overall (All Time): #255 of 4,157,543Top 1%
600
Patents All Time

Issued Patents All Time

Showing 326–350 of 600 patents

Patent #TitleCo-InventorsDate
6273139 Fluid control apparatus Michio Yamaji, Naoya Masuda, Takashi Hirose, Kosuke Yokoyama, Nobukazu Ikeda 2001-08-14
6270618 Plasma processing apparatus Akira Nakano, Sung-Chul Kim, Koichi Fukuda, Yasuhiko Kasama, Shoichi Ono 2001-08-07
6259393 Semiconductor integrated circuit and driving method using comparator feedback loop to switch subtraction bypass circuit Katsuhisa Ogawa, Tadashi Shibata 2001-07-10
6257270 Fluid control device Keiji Hirao, Yukio Minami, Michio Yamaji, Takashi Hirose, Nobukazu Ikeda 2001-07-10
6258244 Treating method and apparatus utilizing chemical reaction Nobuyoshi Tanaka, Takeo Ushiki, Toshikuni Shinohara, Takahisa Nitta 2001-07-10
6258411 Industrial material with fluorine passivated film and process of manufacturing the same Kazuo Chiba, Yutaka Mikasa, Kenji Ishigaki, Nobuhiro Miki, Matagoro Maeno +1 more 2001-07-10
6255731 SOI bonding structure Nobuyoshi Tanaka, Takeo Ushiki, Toshikuni Shinohara, Takahisa Nitta 2001-07-03
6242783 Semiconductor device with insulated gate transistor Mamoru Miyawaki 2001-06-05
6240610 Wafer and transport system Yoshio Ishihara, Masayuki Toda 2001-06-05
6230722 Liquid feed nozzle, wet treatment, apparatus and wet treatment method Kenichi Mitsumori, Yasuhiko Kasama, Akira Abe, Oh Eui Yeol, Takayuki Imaoka +1 more 2001-05-15
6220500 Welding method for fluorine-passivated member for welding, fluorine-passivation method after being weld, and welded parts Takahisa Nitta, Yasuyuki Shirai, Osamu Nakamura 2001-04-24
6217633 Method and apparatus for recovering rare gas Yoshio Ishihara 2001-04-17
6215806 Excimer laser generator provided with a laser chamber with a fluoride passivated inner surface Yasuyuki Shirai, Naoto Sano 2001-04-10
6199260 Method of fixing a plurality of lower members each having reference bore for installing upper member, and fixing jigs Michio Yamaji, Tsutomu Shinohara 2001-03-13
6199092 Semiconductor arithmetic circuit Tadashi Shibata, Akira Nakada, Masahiro Konnda, Takahisa Nitta 2001-03-06
6193212 Fluid control valve and fluid supply/exhaust system Migaku Takahashi, Michio Yamaji, Tsuyoshi Tanikawa, Nobukazu Ikeda, Ryosuke Dohi +5 more 2001-02-27
6180067 Reactor for the generation of water Koji Kawada, Yoshikazu Tanabe, Nobukazu Ikeda, Akihiro Morimoto, Yukio Minami 2001-01-30
6178995 Fluid supply apparatus Tetu Kagazume, Kazuhiko Sugiyama, Ryousuke Dohi, Yukio Minami, Kouji Nishino +3 more 2001-01-30
6174610 Steel having excellent corrosion resistance and method of making the same 2001-01-16
6172320 Welding method for forming chromium oxide passivated film at welded portion Sowmya Krishnan 2001-01-09
6170890 Pipe joint Michio Yamaji, Nobukazu Ikeda, Tsutomu Shinohara, Tetsuya Kojima 2001-01-09
6158679 Orifice for pressure type flow rate control unit and process for manufacturing orifice Tetu Kagazume, Kazuhiko Sugiyama, Osamu Fukada, Susumu Ozawa, Yoshihiro Satou +6 more 2000-12-12
6155202 Plasma processing apparatus, matching box, and feeder Akira Nakano, Sung-Chul Kim, Koichi Fukuda, Yasuhiro Takeda, Yasuhiko Kasama +1 more 2000-12-05
6153068 Parallel plate sputtering device with RF powered auxiliary electrodes and applied external magnetic field Masaki Hirayama, Haruyuki Takano, Yusuke Hirayama 2000-11-28
6152168 Pressure-type flow rate control apparatus Tetu Kagazume, Kazuhiko Sugiyama, Ryousuke Dohi, Tomio Uno, Kouji Nishino +3 more 2000-11-28