MH

Masaki Hirayama

TL Tokyo Electron Limited: 38 patents #81 of 5,567Top 2%
UN Unknown: 36 patents #54 of 83,584Top 1%
TU Tohoku University: 17 patents #11 of 1,680Top 1%
Sharp Kabushiki Kaisha: 11 patents #1,520 of 10,731Top 15%
Canon: 10 patents #6,241 of 19,416Top 35%
TO Tadahiro Ohmi: 6 patents #3 of 65Top 5%
SC Sumitomo Osaka Cement Co.: 2 patents #133 of 327Top 45%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
AB Asm Ip Holding B.V.: 2 patents #310 of 620Top 50%
OR Organo: 2 patents #52 of 167Top 35%
FV Future Vision: 1 patents #7 of 35Top 20%
HC Hitachi Plant Engineering & Construction Co.: 1 patents #53 of 194Top 30%
Overall (All Time): #22,493 of 4,157,543Top 1%
80
Patents All Time

Issued Patents All Time

Showing 51–75 of 80 patents

Patent #TitleCo-InventorsDate
6830652 Microwave plasma processing apparatus Tadahiro Ohmi 2004-12-14
6829279 Laser oscillating apparatus, exposure apparatus using the same and device fabrication method Tadahiro Ohmi, Nobumasa Suzuki, Hiroshi Ohsawa, Nobuyoshi Tanaka, Toshikuni Shinohara 2004-12-07
6818852 Microwave plasma processing device, plasma processing method, and microwave radiating member Tadahiro Ohmi, Tetsuya Goto 2004-11-16
6804285 Gas supply path structure for a gas laser Tadahiro Ohmi, Hiroshi Osawa, Nobuyoshi Tanaka, Kazuhide Ino, Toshikuni Shinohara +1 more 2004-10-12
6801554 Laser oscillating apparatus, exposure apparatus, and device fabrication method Tadahiro Ohmi, Nobumasa Suzuki, Hiroshi Ohsawa, Nobuyoshi Tanaka, Toshikuni Shinohara 2004-10-05
6783628 Plasma processing apparatus Naoko Yamamoto, Tatsushi Yamamoto, Tadahiro Ohmi 2004-08-31
6753496 Plasma processing apparatus Takamitsu Tadera, Tatsushi Yamamoto, Tadahiro Ohmi 2004-06-22
6744802 Laser oscillating apparatus with slotted waveguide Tadahiro Ohmi, Nobumasa Suzuki, Hiroshi Ohsawa, Nobuyoshi Tanaka, Toshikuni Shinohara 2004-06-01
6736606 Vacuum apparatus Tadahiro Ohmi 2004-05-18
6726802 Plasma processing apparatus Takamitsu Tadera, Tatsushi Yamamoto, Tadahiro Ohmi 2004-04-27
6719875 Plasma process apparatus Tadahiro Ohmi, Takahisa Nitta, Ryu Kaiwara, Kazuhide Ino 2004-04-13
6690702 Excimer laser oscillation apparatus and method, excimer laser exposure apparatus, and laser tube Tadahiro Ohmi, Nobuyoshi Tanaka 2004-02-10
6675737 Plasma processing apparatus Toshiaki Hongoh, Tetsu Osawa, Tadahiro Ohmi 2004-01-13
6650678 Laser oscillating apparatus Tadahiro Ohmi, Nobumasa Suzuki, Hiroshi Ohsawa, Nobuyoshi Tanaka, Toshikuni Shinohara 2003-11-18
6638392 Plasma process apparatus Naoko Yamamoto, Takamitsu Tadera, Tatsushi Yamamoto, Tadahiro Ohmi 2003-10-28
6620290 Plasma process apparatus Tatsushi Yamamoto, Masaya Okamoto, Tadahiro Ohmi 2003-09-16
6609564 Reductive heat exchange water and heat exchange system using such water Takashi Imaoka, Hiroshi Morita, Isamu Sugiyama, Tadahiro Ohmi 2003-08-26
6603786 Excimer laser oscillation apparatus and method, excimer laser exposure apparatus, and laser tube Tadahiro Ohmi, Nobuyoshi Tanaka 2003-08-05
6585851 Plasma etching device Tadahiro Ohmi, Haruyuki Takano, Yusuke Hirayama 2003-07-01
6527908 Plasma process apparatus Norio Kanetsuki, Takamitsu Tadera, Tatsushi Yamamoto, Tadahiro Ohmi 2003-03-04
6446573 Plasma process device Tadahiro Ohmi, Tatsushi Yamamoto, Takamitsu Tadera 2002-09-10
6423178 Apparatus for plasma process Tadahiro Ohmi 2002-07-23
6357385 Plasma device Tadahiro Ohmi, Takahisa Nitta, Haruyuki Takano, Ryu Kaiwara 2002-03-19
6350376 Reductive heat exchange water and heat exchange system using such water Takashi Imaoka, Hiroshi Morita, Isamu Sugiyama, Tadahiro Ohmi 2002-02-26
6331994 Excimer laser oscillation apparatus and method, excimer laser exposure apparatus, and laser tube Tadahiro Ohmi, Nobuyoshi Tanaka 2001-12-18