FK

Fumio Kawahara

TO Toyota: 17 patents #1,469 of 26,838Top 6%
MC Mec International Co.: 14 patents #1 of 48Top 3%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
Pioneer Electronic: 2 patents #804 of 1,840Top 45%
MD Mogami Denki: 2 patents #1 of 17Top 6%
SH Showa: 2 patents #102 of 337Top 35%
AC Aoki Science Institute Co.: 1 patents #14 of 30Top 50%
NI Nikon: 1 patents #1,647 of 2,493Top 70%
Overall (All Time): #207,826 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
10828694 Casting device, method for detecting leakage of refrigerant in casting device, and leakage detection device Daisuke Serino, Yuzo Matsuda, Tetsushi Yamaguchi, Hiroshi Kawahara, Sakayuki ISHIKAWA +4 more 2020-11-10
10711220 High temperature heat-resistant oil-based release agent, high temperature heat-resistant electrostatic application-type oil-based release agent, and application method therefor Hiroaki Komatsubara, Masanao Kobayashi, Toshiaki Shimizu, Ikuo Yamauchi, Takashi Morikawa +2 more 2020-07-14
10596618 Method for producing heat sink Naoaki SUGIURA, Yuichi Furukawa, Mitsuhiro Kobayashi, Katsuhiro Takami 2020-03-24
9644255 Surface treatment method for metal material and mold treated by surface treatment method Yuichi Furukawa, Masahiro Okumiya, Yoshiki Tsunekawa, Nao Kumemoto, Katsuhiro Takami 2017-05-09
9163992 Abnormal measurement detection device and method for infrared radiation thermometer Yuichi Furukawa, Shingo Nakamura, Yuji Okada 2015-10-20
8445847 Abnormal measurement detection device and method for infrared radiation thermometer Yuichi Furukawa, Shingo Nakamura, Yuji Okada 2013-05-21
8413708 Casting mold surface treatment method Yuichi Furukawa, Hidenori Matsuoka, Hitoshi Kabasawa 2013-04-09
8376023 Die-casting die and method for die-casting Yuichi Furukawa, Yasushi Iwata, Hiroaki Iwahori, Jun Yaokawa, Atsuto Okamoto 2013-02-19
8340468 Temperature measuring device and temperature measuring method Yuichi Furukawa, Shingo Nakamura, Yuji Okada 2012-12-25
8256493 Casting mold surface treatment method and casting mold using said method Yuichi Furukawa, Hidenori Matsuoka, Hitoshi Kabasawa 2012-09-04
7401769 Gas spring 2008-07-22
6858568 Metal lubricants containing a bridge complex Heijiro Ojima, Mitsuru Tomono 2005-02-22
6852678 Water-based lubricants containing sulfur as a coordinating atom and uses thereof Heijiro Ojima, Masahiko Takeuchi, Fumio Ikesue, Noritoshi Kaskimura, Mitsuru Tomono 2005-02-08
5693214 Apparatus for and method of separation to water and colloidal particles by agglomeration Naoki Abe, Takao Ohara 1997-12-02
5665243 Method for removing metal contained in solution using surfactant having chelating ability Naoki Abe, Koji Mizuno, Masayuki Sumiyoshi, Katsuya Murakami, Kojiro Murayama +3 more 1997-09-09
5650056 Method of and apparatus for removing metal contained in solution and surfactant having chelating ability and used suitably for the same Naoki Abe, Koji Mizuno, Masayuki Sumiyoshi, Katsuya Murakami, Kojiro Murayama +3 more 1997-07-22
5587060 Method of removing metal contained in solution Naoki Abe, Koji Mizuno, Masayuki Sumiyoshi, Katsuya Murakami, Kojiro Murayama +3 more 1996-12-24
5478099 Bicycle wheel fork assembly 1995-12-26
5338421 Method of and apparatus for separation by agglomeration Naoki Abe, Noboru Inoue 1994-08-16
4472543 Flame retardant diaphragm for acoustic transducers Kazuo Tsuchiya, Shigeru Watanabe 1984-09-18
4451609 Flame-retarded acoustic diaphragm Masanori Takahashi, Katsuyoshi Kumagai 1984-05-29