KW

Keiichiro Watanabe

NI Ngk Insulators: 41 patents #49 of 2,083Top 3%
JG Jgc: 3 patents #35 of 393Top 9%
KC Kansai Paint Co.: 2 patents #263 of 822Top 35%
UI Ube Industries: 1 patents #895 of 1,686Top 55%
Kyocera: 1 patents #2,054 of 3,732Top 60%
KC Koatsu Co.: 1 patents #6 of 7Top 90%
NC Ngk Optoceramics Co.: 1 patents #12 of 24Top 50%
Overall (All Time): #60,651 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 1–25 of 47 patents

Patent #TitleCo-InventorsDate
11369978 Injection head for liquid fire extinguishing agent Yasufumi INOUE, Masahiro Yabushita, Mitsunori Kamo 2022-06-28
10236436 Element manufacturing method 2019-03-19
9945699 Sensor node package Shinsuke Yano 2018-04-17
8585960 Method for producing sintered body, and sintered body Tsuneaki Ohashi, Masakatsu Inoue, Toshiichi Ikami, Kunihiko Yoshioka, Kazuhi Matsumoto 2013-11-19
8420932 Ceramic tube for high-intensity discharge lamp and method of producing the same Sugio Miyazawa, Tsuneaki Ohashi 2013-04-16
8278233 Translucent polycrystalline sintered body, method for producing the same, and arc tube for high-intensity discharge lamp Sugio Miyazawa, Tsuneaki Ohashi, Hisanori Yamamoto 2012-10-02
8092875 Composite luminous vessels 2012-01-10
8033819 Mold and molding method Tsuneaki Ohashi, Masakatsu Inoue, Toshiichi Ikami, Kunihiko Yoshioka, Kazuhi Matsumoto 2011-10-11
7843137 Luminous vessels Takashi Ota, Norikazu Niimi 2010-11-30
7619351 Structures for supporting discharge lamps and illuminating system Takashi Ota 2009-11-17
7521870 Luminous containers and those for high pressure discharge lamps Takashi Ohta, Naoki Masui 2009-04-21
7288303 Structures of brittle materials and metals 2007-10-30
6447842 Process for producing a corrosion-resistant member Masao Nishioka 2002-09-10
6416889 Anti-corrosion ceramic member Yasufumi Aihara, Shinji Kawasaki, Akira Narukawa 2002-07-09
6406799 Method of producing anti-corrosion member and anti-corrosion member Yasufumi Aihara, Kiyoshi Araki 2002-06-18
6200516 Production of corrosion-resistant ceramic members Yasufumi Aihara, Akira Narukawa, Shinji Kawasaki 2001-03-13
6117573 Corrosion-resistant member and a producing process thereof Masao Nishioka 2000-09-12
6063514 Gas-tight article and a producing process thereof Masao Nishioka, Yasufumi Aihara 2000-05-16
6006824 Ceramic shell-and-tube type heat exchanger, and method for manufacturing it Mitsuru Hattori, Toshihiro Yoshida 1999-12-28
5833917 Process for production of silicon nitride sintered material Youky Bessyo 1998-11-10
5804521 Process for production of a silicon nitride ceramic Akira Takahashi, Masaaki Masuda 1998-09-08
5743713 Blade, turbine disc and hybrid type gas turbine blade Mitsuru Hattori 1998-04-28
5714242 Ceramic material and method for manufacturing ceramic product utilizing it Shigeki Kato, Koji Egawa 1998-02-03
5691261 Silicon nitride ceramic Akira Takahashi, Masaaki Masuda 1997-11-25
5611877 Jigs for manufacture of joined ceramic structure, and method for manufacturing joined ceramic structure by use of jigs Toshihiro Yoshida 1997-03-18