HO

Hitoshi Oka

HI Hitachi: 23 patents #1,433 of 28,497Top 6%
Tdk: 6 patents #953 of 3,796Top 30%
KE Kokusai Electric: 3 patents #177 of 583Top 35%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
HE Hitachi Kokusai Electric: 2 patents #354 of 843Top 45%
HC Hitachi Consumer Electronics Co.: 1 patents #206 of 447Top 50%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
AT Agilent Technologies: 1 patents #1,723 of 3,411Top 55%
Overall (All Time): #99,305 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 25 most recent of 35 patents

Patent #TitleCo-InventorsDate
7729692 Inspection apparatus, analysis display apparatus, inspection system and inspection method Yukinori Amao, Yojiro Hiranuma, Taiji Katsube 2010-06-01
6551522 Piezoelectric ceramics Masakazu Hirose, Takeo Tsukada, Junji Terauchi 2003-04-22
6539959 Cleaning apparatus for plate-like part and method thereof Noriyuki Ohroku, Yuichirou Tanaka, Yoichi Takahara, Tomonori Saeki, Susumu Aiuchi +3 more 2003-04-01
6461532 Piezoelectric ceramic material Masakazu Hirose, Yasuo Watanabe, Junji Terauchi 2002-10-08
6443168 Plate-like specimen fluid-treating apparatus and plate-like specimen fluid-treating method Fumio Morita, Masataka Fujiki, Noriyuki Oroku, Yuichirou Tanaka 2002-09-03
6431190 Fluid processing apparatus Fumio Morita, Masataka Fujiki, Akinobu Yamaoka 2002-08-13
6401734 Substrate treating apparatus Fumio Morita, Masataka Fujiki, Noriyuki Oroku, Yuichirou Tanaka 2002-06-11
6398978 Piezoelectric ceramic Masakazu Hirose, Takeo Tsukada 2002-06-04
6315836 Clean, recirculating processing method which prevents surface contamination of an object Fumio Morita, Masataka Fujiki, Akinobu Yamaoka 2001-11-13
6241908 Piezoelectric ceramics Masakazu Hirose, Takeo Tsukada, Yasuharu Miyauchi, Toshiyuki Suzuki, Yoshinori Asakura 2001-06-05
6184541 Thin film transistor and method of producing the same Yutaka Ito 2001-02-06
6129886 Method of preparation of piezoelectric ceramics Kazushi Tachimoto, Mahoko Takada, Kenji Horino, Kazuo Miyabe 2000-10-10
6090306 Piezoelectric ceramics Taeko Tsubokura, Kazuo Miyabe, Masayoshi Inoue 2000-07-18
5979475 Specimen holding method and fluid treatment method of specimen surface and systems therefor Takao Satoh, Haruo Itoh, Yoichi Takahara, Akio Saito 1999-11-09
5633175 Process for stripping photoresist while producing liquid crystal display device Hiroshi Kikuchi, Yasushi Sano, Satoru Todoroki, Toshiyuki Koshita, Masato Kikuchi +2 more 1997-05-27
5409544 Method of controlling adhesion of fine particles to an object in liquid Katsuhiro Ota, Akio Saito, Yoichi Takahara 1995-04-25
5399202 Resist-peeling liquid and process for peeling a resist using the same Hiroshi Kikuchi, Yasushi Sano, Satoru Todoroki, Toshiyuki Koshita, Masato Kikuchi +2 more 1995-03-21
5388328 Process for fabricating an interconnected multilayer board Hitoshi Yokono, Hideo Arima, Takashi Inoue, Naoya Kitamura, Haruhiko Matsuyama +4 more 1995-02-14
5387493 Photosensitive resin composition for forming conductor patterns and multilayer circuit boards using same Shinichiro Imabayashi, Isamu Tanaka, Hiroshi Kikuchi, Makio Watanabe 1995-02-07
5348590 Surface treating agent for copper or copper alloys Seizi Shigemura, Motokazu Shindo 1994-09-20
5300735 Interconnected multilayer boards and fabrication processes thereof Hitoshi Yokono, Hideo Arima, Takashi Inoue, Naoya Kitamura, Haruhiko Matsuyama +4 more 1994-04-05
5268255 Photo-setting resist composition, a process for producing a printed circuit board by using the composition, and a printed circuit board obtained by using the composition Hiroshi Kikuchi, Makio Watanabe, Shinichiro Imabayashi, Reiko Yano, Isamu Tanaka +2 more 1993-12-07
5256247 Liquid etchant composition for thin film resistor element Takayoshi Watanabe, Takashi Inoue, Minoru Tanaka 1993-10-26
5091283 Photocurable diallyl phthalate resin composition and printed circuit board using the same Isamu Tanaka, Makio Watanabe, Hiroshi Kikuchi, Shinichiro Imabayashi, Yukihiro Taniguti 1992-02-25
4828451 Industrial robot Tadafumi Mikoshi, Akira Fukuda 1989-05-09