KF

Keiji Fujita

KT Kabushiki Kaisha Toshiba: 6 patents #4,898 of 21,451Top 25%
KB Kurashiki Boseki: 1 patents #73 of 175Top 45%
IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
SC Sumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Ooita, JP: #46 of 516 inventorsTop 9%
Overall (All Time): #461,783 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
9269540 Ion implantation apparatus and method of determining state of ion implantation apparatus Masayuki Jinguuji, Kei Hattori, Takahito Nagamatsu 2016-02-23
7933189 Focus optical system and optical disc master exposure apparatus Takeshi Omori, Takaaki Kassai, Kenji Maebara, Hiroaki Ashiwa 2011-04-26
7534717 Method of manufacturing semiconductor device Hideshi Miyajima, Hideaki Masuda, Rempei Nakata, Miyoko Shimada 2009-05-19
7462569 Method of manufacturing semiconductor device Hideshi Miyajima 2008-12-09
7129175 Method of manufacturing semiconductor device Hideshi Miyajima, Kazuyuki Higashi, Toshiaki Hasegawa, Kiyotaka Tabuchi 2006-10-31
7094681 Semiconductor device fabrication method Rempei Nakata, Hideshi Miyajima 2006-08-22
6344420 Plasma processing method and plasma processing apparatus Hideshi Miyajima 2002-02-05
6087539 Process for producing an ether compound Hirotaka Yamasaki, Akihisa Ogawa, Shigeru Kamimori, Yoshikazu Hirao, Tokuyuki Yoshimoto 2000-07-11
5748288 Lighting assembly, exposure apparatus and exposure method employing the lighting assembly Hiroyuki Nagano, Takashi Inoue, Hiroshi Yamashita, Takeo Sato 1998-05-05
5420041 Method of acid value determination by infrared absorption Kazuhiko Matsushita, Hiroshi Yokota, Akihiro Tsukamoto 1995-05-30
5355814 Gasifier burner for powdered solid fuels and method for using the same Nobumasa Kemori, Kimiaki Utsunomiya, Hitoshi Takano 1994-10-18