MO

Masahiro Oka

DI Daikin Industries: 24 patents #81 of 2,957Top 3%
SK Showa Denko K.K.: 12 patents #87 of 1,736Top 6%
KT Kabushiki Kaisha Toshiba: 10 patents #3,082 of 21,451Top 15%
TL Tokyo Electron Limited: 5 patents #1,450 of 5,567Top 30%
TU Tohoku University: 4 patents #157 of 1,680Top 10%
TC Tokyo Gas Co.: 4 patents #27 of 412Top 7%
MC Mitsubishi Chemical: 3 patents #645 of 3,022Top 25%
KA Kao: 3 patents #1,053 of 3,221Top 35%
MC Mitsubishi Petrochemical Engineering Co.: 2 patents #7 of 36Top 20%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
DC Daikin Manufacturing Company: 2 patents #13 of 26Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
ML Mitsubishi Petrochemical Company Limited: 1 patents #291 of 670Top 45%
BK Bando Kagaku Kabushiki Kaisha: 1 patents #8 of 37Top 25%
Overall (All Time): #44,894 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 26–50 of 55 patents

Patent #TitleCo-InventorsDate
9310114 Electronic expansion valve and air conditioner provided with electronic expansion valve Shigetaka Wakisaka 2016-04-12
9303907 Refrigerant charging device, refrigeration device and refrigerant charging method Satoshi Kawano, Kazuhiko Tani, Atsushi Okamoto 2016-04-05
9029249 Plasma doping apparatus and plasma doping method Hirokazu Ueda, Masahiro Horigome, Yuuki Kobayashi 2015-05-12
8899056 Air conditioner Satoshi Kawano, Kazuhiko Tani, Atsushi Okamoto 2014-12-02
8297073 Heat source unit and refrigeration system Satoshi Kawano, Shinya Matsuoka, Kazuhide Mizutani 2012-10-30
8280557 Air-conditioning apparatus Satoshi Kawano, Kazuhiko Tani, Atsushi Okamoto 2012-10-02
8221637 Method and apparatus for manufacturing magnetic recording media Yoshiyuki Kamata, Katsuyuki Naito, Akira Kikitsu, Masatoshi Sakurai 2012-07-17
8116035 Magnetic recording medium having a secondary recording layer made of a material having a negative crystal magnetic anisotropy and magnetic recording and reproducing apparatus Migaku Takahashi, Akira Kikitsu 2012-02-14
7943248 Perpendicular magnetic recording media, production process thereof, and perpendicular magnetic recording and reproducing apparatus Migaku Takahashi, Akira Kikitsu 2011-05-17
7879466 Perpendicular magnetic recording medium, and perpendicular magnetic recording and reproducing apparatus Migaku Takahashi, Akira Kikitsu 2011-02-01
7862915 Magnetic recording medium and magnetic recording/reproducing apparatus Tomoyuki Maeda, Migaku Takahashi 2011-01-04
7771602 Method and apparatus for manufacturing magnetic recording media Yoshiyuki Kamata, Katsuyuki Naito, Akira Kikitsu, Masatoshi Sakurai 2010-08-10
7744966 Production process of perpendicular magnetic recording medium 2010-06-29
7687158 Perpendicular magnetic recording medium and perpendicular magnetic recording/reproducing apparatus Migaku Takahashi, Akira Kikitsu 2010-03-30
7635529 Substrate for magnetic recording media, magnetic recording media and magnetic recording apparatus Katsuyuki Naito, Masatoshi Sakurai, Akira Kikitsu, Yoshiyuki Kamata, Naoko Kihara 2009-12-22
7580223 Magnetic recording media, substrate for magnetic recording media, and magnetic recording apparatus Masatoshi Sakurai, Akira Kikitsu 2009-08-25
7360372 Refrigeration system Ryota Takechi, Shinya Matsuoka, Yasushi Hori 2008-04-22
7359840 Remote order acceptance design system and elevator remote order acceptance method Shingo Akasaka, Atsuhiro Ishida, Shinichi Taniguchi, Akihiko Morita, Hideaki Suzuki 2008-04-15
7314833 Method for manufacturing substrate for discrete track recording media and method for manufacturing discrete track recording media Yoshiyuki Kamata, Katsuyuki Naito, Akira Kikitsu, Masatoshi Sakurai 2008-01-01
7249250 Remote order acceptance design system and elevator remote order acceptance method Shingo Akasaka, Atsuhiro Ishida, Shinichi Taniguchi, Akihiko Morita, Hideaki Suzuki 2007-07-24
6607848 Magnetic recording medium and magnetic recording device Shinya Katayama 2003-08-19
5878587 Absorption cool-warm water machine and method for controlling the same Hiroshi Kojima, Makoto Nakamura, Masaru Edera 1999-03-09
5865035 Absorption cool-warm water machine and method for controlling the same Hiroshi Kojima, Makoto Nakamura, Masaru Edera 1999-02-02
5829260 Absorption cool-warm water machine and method for controlling the same Hiroshi Kojima, Makoto Nakamura, Masaru Edera 1998-11-03
5736262 Magnetic recording medium Shin Ohkijima, Fumiaki Yokoyama 1998-04-07