TO

Tadahiro Ohmi

UN Unknown: 21 patents #1 of 2,810Top 1%
AC Alps Electric Co.: 6 patents #7 of 256Top 3%
Canon: 5 patents #101 of 2,442Top 5%
TL Tokyo Electron Limited: 5 patents #9 of 414Top 3%
Sharp Kabushiki Kaisha: 4 patents #18 of 1,015Top 2%
SC Stella Chemifa: 3 patents #1 of 9Top 15%
IA I.F. Associates: 2 patents #1 of 9Top 15%
FI Fujikin Incorporated: 2 patents #4 of 37Top 15%
TA Taisei: 1 patents #2 of 24Top 9%
HC Hitachi Plant Engineering & Construction Co.: 1 patents #1 of 20Top 5%
Nichia: 1 patents #21 of 89Top 25%
📍 Rifu, JP: #1 of 201 inventorsTop 1%
Overall (2004): #54 of 270,089Top 1%
32
Patents 2004

Issued Patents 2004

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDate
6830652 Microwave plasma processing apparatus Masaki Hirayama 2004-12-14
6829279 Laser oscillating apparatus, exposure apparatus using the same and device fabrication method Nobumasa Suzuki, Hiroshi Ohsawa, Nobuyoshi Tanaka, Toshikuni Shinohara, Masaki Hirayama 2004-12-07
6821452 Etchant Hirohisa Kikuyama, Masayuki Miyashita, Tatsuhiro Yabune 2004-11-23
6820632 Parallel divided flow-type fluid supply apparatus, and fluid-switchable pressure-type flow control method and fluid-switchable pressure-type flow control system for the same fluid supply apparatus Satoshi Kagatsume, Kazuhiko Sugiyama, Yukio Minami, Kouji Nishino, Ryousuke Dohi +13 more 2004-11-23
6818320 Welding method for welded members subjected to fluoride passivation treatment, fluoride passivation retreatment method, and welded parts Takahisa Nitta, Yasuyuki Shirai, Osamu Nakamura 2004-11-16
6818852 Microwave plasma processing device, plasma processing method, and microwave radiating member Masaki Hirayama, Tetsuya Goto 2004-11-16
6815720 Substrate having buried structure, display device including the substrate, method of making the substrate and method for fabricating the display device Kazuki Kobayashi, Kimiaki Fujino, Ikuo Sakono, Shigetoshi Sugawa, Akihiro Morimoto 2004-11-09
6806438 Plasma processing apparatus including a plurality of plasma processing units having reduced variation Akihiro Nakano 2004-10-19
6804285 Gas supply path structure for a gas laser Hiroshi Osawa, Nobuyoshi Tanaka, Kazuhide Ino, Toshikuni Shinohara, Yasuyuki Shirai +1 more 2004-10-12
6801554 Laser oscillating apparatus, exposure apparatus, and device fabrication method Nobumasa Suzuki, Hiroshi Ohsawa, Nobuyoshi Tanaka, Toshikuni Shinohara, Masaki Hirayama 2004-10-05
6797194 Surface treating for micromachining and method for surface treatment Hirohisa Kikuyama, Masayuki Miyashita, Tatsuhiro Yabune 2004-09-28
6792889 Plasma processing apparatus and method capable of performing uniform plasma treatment by control of excitation power Akira Nakano 2004-09-21
6795796 Performance evaluation method for plasma processing apparatus for continuously maintaining a desired performance level Akira Nakano 2004-09-21
6783628 Plasma processing apparatus Naoko Yamamoto, Tatsushi Yamamoto, Masaki Hirayama 2004-08-31
6753496 Plasma processing apparatus Takamitsu Tadera, Tatsushi Yamamoto, Masaki Hirayama 2004-06-22
6750614 Plasma processing apparatus capable of performing uniform plasma treatment by preventing drift in plasma discharge current Akira Nakano 2004-06-15
6748751 Air cooling device and air cooling method Yasuyuki Shirai, Sadao Kobayashi, Isao Terada, Toshihisa Okabe, Takashi Taniguchi +7 more 2004-06-15
6744802 Laser oscillating apparatus with slotted waveguide Nobumasa Suzuki, Hiroshi Ohsawa, Nobuyoshi Tanaka, Toshikuni Shinohara, Masaki Hirayama 2004-06-01
6736606 Vacuum apparatus Masaki Hirayama 2004-05-18
6733732 Reactor for generating moisture Koji Kawada, Yoshikazu Tanabe, Takahisa Nitta, Nobukazu Ikeda, Akihiro Morimoto +3 more 2004-05-11
6728745 Semiconductor circuit for arithmetic operation and method of arithmetic operation Makoto Imai, Toshiyuki Nozawa, Masanori Fujibayashi, Koji Kotani, Tadashi Shibata +1 more 2004-04-27
6726814 Process for producing optical article Kazuyuki Harada, Nobuyoshi Tanaka 2004-04-27
6726802 Plasma processing apparatus Takamitsu Tadera, Tatsushi Yamamoto, Masaki Hirayama 2004-04-27
6719875 Plasma process apparatus Takahisa Nitta, Masaki Hirayama, Ryu Kaiwara, Kazuhide Ino 2004-04-13
6714833 Performance evaluation method for plasma processing apparatus Akira Nakano 2004-03-30