KH

Keiji Hirao

FI Fujikin Incorporated: 27 patents #16 of 318Top 6%
UN Unknown: 8 patents #1,262 of 83,584Top 2%
SC Sanyo Electric Co.: 7 patents #794 of 6,347Top 15%
TO Tadahiro Ohmi: 4 patents #6 of 65Top 10%
NO Nof: 3 patents #95 of 561Top 20%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
NC Nippon Oil & Fats Co.: 1 patents #173 of 409Top 45%
📍 Kasai, JP: #139 of 5,842 inventorsTop 3%
Overall (All Time): #85,837 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDate
11630058 Concentration measurement device Masaaki Nagase, Kazuteru Tanaka, Tadayuki Yakushijin, Kouji Nishino, Michio Yamaji +1 more 2023-04-18
11390951 Fluid control device Atsushi Hidaka, Takatoshi NAKATANI, Keisuke Nakatsuji, Yukio Minami, Nobukazu Ikeda 2022-07-19
11391668 Concentration measurement device Masaaki Nagase, Kazuteru Tanaka, Tadayuki Yakushijin, Kouji Nishino, Michio Yamaji +1 more 2022-07-19
10646844 Vaporization supply apparatus Atsushi Hidaka, Masaaki Nagase, Kaoru Hirata, Katsuyuki Sugita, Takatoshi NAKATANI +3 more 2020-05-12
10604840 Liquid level indicator and liquid raw material vaporization feeder Atsushi Hidaka, Masaaki Nagase, Kaoru Hirata, Satoru Yamashita, Kouji Nishino +1 more 2020-03-31
9012583 Flow improver for oils and fats Fumitaka Yoshikawa, Hideki Kawamoto 2015-04-21
8724974 Vaporizer Tadahiro Ohmi, Yasuyuki Shirai, Masaaki Nagase, Satoru Yamashita, Atsushi Hidaka +3 more 2014-05-13
8469046 Method for parallel operation of reactors that generate moisture Yukio Minami, Masaharu Taguchi, Toshiro Nariai, Koji Kawada, Akihiro Morimoto +1 more 2013-06-25
8321573 Communications terminal with optimum send interval Motoe Sakanaka, Tomohiro Yamada 2012-11-27
8156242 Command processing apparatus Motoe Sakanaka 2012-04-10
7815872 Reactor for generating moisture and moisture generating and feeding apparatus for which the reactor is employed Toshirou Nariai, Kouji Kawada, Yukio Minami, Akihiro Morimoto, Nobukazu Ikeda 2010-10-19
7553459 Apparatus and reactor for generating and feeding high purity moisture Tadahiro Ohmi, Nobukazu Ikeda, Yukio Minami, Kouji Kawada, Katunori Komehana +6 more 2009-06-30
7502452 Contents reproducing apparatus with telephone function Toru Kamimura 2009-03-10
7368092 Apparatus and reactor for generating and feeding high purity moisture Tadahiro Ohmi, Nobukazu Ikeda, Yukio Minami, Kouji Kawada, Katunori Komehana +6 more 2008-05-06
7258845 Apparatus and reactor for generating and feeding high purity moisture Tadahiro Ohmi, Nobukazu Ikeda, Yukio Minami, Kouji Kawada, Katunori Komehana +6 more 2007-08-21
7008598 Reactor for generating moisture Tadahiro Ohmi, Kouji Kawada, Nobukazu Ikeda, Akihiro Morimoto, Yukio Minami +4 more 2006-03-07
6939980 Process for producing ester Michimasa Memita 2005-09-06
6919056 Reactor for generating moisture Tadahiro Ohmi, Kouji Kawada, Nobukazu Ikeda, Akihiro Morimoto, Yukio Minami +4 more 2005-07-19
6733732 Reactor for generating moisture Tadahiro Ohmi, Koji Kawada, Yoshikazu Tanabe, Takahisa Nitta, Nobukazu Ikeda +3 more 2004-05-11
6615871 Fluid control apparatus Tadahiro Ohmi, Hiroshi Morokoshi, Michio Yamaji, Shigeaki Tanaka, Yuji Kawano +5 more 2003-09-09
6617289 Method for producing ester Michimasa Memita 2003-09-09
6408879 Fluid control device Tadahiro Ohmi, Yukio Minami, Akihiro Morimoto, Nobukazu Ikeda, Takashi Hirose +2 more 2002-06-25
6274098 Apparatus for the treatment of exhaust gases by combining hydrogen and oxygen Yoshikazu Tanabe, Yukio Minami, Koji Kawada, Nobukazu Ikeda, Akihiro Morimoto 2001-08-14
6257270 Fluid control device Tadahiro Ohmi, Yukio Minami, Michio Yamaji, Takashi Hirose, Nobukazu Ikeda 2001-07-10
6105475 Tightening device Tadahiro Ohmi, Eiji Ideta, Hiroyuki Fukuda, Tsutomu Shinohara, Michio Yamaji +2 more 2000-08-22