HY

Hiroshi Yokogawa

PA Panasonic: 14 patents #1,670 of 21,108Top 8%
JS Jfe Steel: 1 patents #825 of 1,401Top 60%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Ebeye: #302 of 4,528 inventorsTop 7%
Overall (All Time): #321,133 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
9932651 Thick-walled high-strength seamless steel pipe with excellent sour resistance for pipe for pipeline, and process for producing same Yasuhide Ishiguro, Mitsuo Kimura, Kenichiro Eguchi, Tadao Katagiri, Masahito Tanaka 2018-04-03
9017807 Transparent conductive film, substrate with transparent conductive film, and organic electroluminescence element using the same Akira Tsujimoto, Taisuke Matsui 2015-04-28
8273811 Coating material composite and coated article Akira Tsujimoto, Ryozo Fukuzaki, Takeyuki Yamaki 2012-09-25
7964251 Liquid crystal display device Takeyuki Yamaki, Akira Tsujimoto, Ryozo Fukuzaki, Tetsuya Toyoshima, Masanori Yoshihara +1 more 2011-06-21
7854508 Plastic lens and manufacturing method of plastic lens Mikito Nakajima, Katsuyoshi Takeshita, Yusuke Kutsukake, Jun Kinoshita, Shuji Naito +4 more 2010-12-21
7582351 Composite thin film holding substrate, transparent conductive film holding substrate, and panel light emitting body Masaru Yokoyama, Kenji Kawano, Norihiro Itou, Koichi Takahama, Takeyuki Yamaki +3 more 2009-09-01
6762553 Substrate for light emitting device, light emitting device and process for production of light emitting device Tetsuo Tsutsui, Masaru Yokoyama, Kenji Tsubaki, Kenji Kawano 2004-07-13
6740416 Aerogel substrate and method for preparing the same Masaru Yokoyama, Kenji Tsubaki, Kenji Kawano, Kenji Sonoda 2004-05-25
6197270 Process for producing aerogel Kenji Sonoda, Masaru Yokoyama, Kenji Tsubaki 2001-03-06
6154595 Side-face illuminating optical fiber Masaru Yokoyama, Kenji Tsubaki, Kenji Sonoda, Keishi Kousaka, Mikio Sei +1 more 2000-11-28
5830387 Process of forming a hydrophobic aerogel Masaru Yokoyama, Koichi Takahama, Yuriko Uegaki 1998-11-03
5790742 Optical fiber Kenji Tsubaki, Tsuneyoshi Kamae, Masaru Yokoyama, Kenji Sonoda 1998-08-04
5496527 Process of forming a hydrophobic aerogel Masaru Yokoyama, Koichi Takahama, Yuriko Uegaki 1996-03-05
5149513 Method of preparing inorganic porous member Kouichi Takahama, Shozo Hirao, Masaru Yokoyama, Takashi Kishimoto, Atsushi Makino 1992-09-22
5124101 Method for manufacturing fine porous member Shozo Hirao, Masaru Yokoyama, Takashi Kishimoto, Kouichi Takahama 1992-06-23