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Yoshio Yamada

IC Ishikawa Gasket Co.: 17 patents #4 of 48Top 9%
NC Nhk Spring Co.: 13 patents #34 of 1,116Top 4%
PA Panasonic: 8 patents #3,315 of 21,108Top 20%
TC Toyo Tire & Rubber Co.: 7 patents #48 of 499Top 10%
TC Technica Co.: 6 patents #1 of 4Top 25%
TB Toyoda Boshoku: 3 patents #8 of 112Top 8%
DC Dainippon Ink And Chemicals: 3 patents #161 of 1,002Top 20%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
DC Daido Kogyo Co.: 2 patents #13 of 94Top 15%
TL Toyota Central R&D Labs: 2 patents #528 of 1,657Top 35%
TI Thomas & Betts International: 2 patents #87 of 297Top 30%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
CP Chugoku Marine Paints: 1 patents #25 of 59Top 45%
DC Dai Nippon Toryo Co.: 1 patents #73 of 196Top 40%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
NI Nissho: 1 patents #65 of 171Top 40%
AC Asahi Kasei Kogyo Co.: 1 patents #565 of 1,395Top 45%
SC Seiren Co.: 1 patents #61 of 165Top 40%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
SO Sony: 1 patents #17,262 of 25,231Top 70%
📍 Nagano, JP: #19 of 38 inventorsTop 50%
Overall (All Time): #34,590 of 4,157,543Top 1%
64
Patents All Time

Issued Patents All Time

Showing 26–50 of 64 patents

Patent #TitleCo-InventorsDate
7628029 Quick-freezing method and device for food with liquid surface contact 2009-12-08
6720516 apparatus for electric discharge micromachining of a micro-diameter hole Takeshi Masaki, Toru Nakagawa, Hiroyuki Nakata, Hirofumi Yasumoto, Toshihiko Wada 2004-04-13
6655983 Electrical test probe provided with a signal transmitting wire having an enlarged portion for preventing the wire from coming out of the probe Shigeki Ishikawa 2003-12-02
6642728 Holder of electroconductive contactor, and method for producing the same Masami Kudo, Toshio Kazama, Kazushi Watanabe 2003-11-04
6503962 Synthetic resin composition Tomiko Mouri, Kazuhiro Fukumoto, Seiji Onoda, Hideki Ohno, Masako Furuta +3 more 2003-01-07
6322084 Metal gasket with bore ring Yutaka Kato 2001-11-27
6277215 Stainless steel fur gaskets Kazuhiko Adachi, Kazuyoshi Fujisawa, Kenichi Goshokubo, Yuuichi Kinoshita 2001-08-21
6189895 Metal gasket with sealing and connecting sections 2001-02-20
6085023 Magnetic recording and reproducing control apparatus Yuji Hatanaka, Yasunori Ohara, Hiroaki Tachibana, Nobutaka Amada, Hiroo Okamoto 2000-07-04
6070904 Air bag device with breakable retainer strap Toru Ozaki, Takeshi Yamaji, Kazuaki Bito, Hidehito Sogi, Takeshi Oyama +1 more 2000-06-06
5931475 Metal laminate gasket with mutual laminating portions 1999-08-03
5704368 Method of, and apparatus for, measuring electrogastrogram and intestinal electrogram Fumitaka Asano 1998-01-06
5653121 Food freezer 1997-08-05
5622778 Synthetic resin composition and interior material coated with the same Mitsumasa Horii, Masahiro Sugiura, Seiji Onoda, Osamu Araki, Yoshiro Umemoto +6 more 1997-04-22
5539015 Synthetic resin composition and interior material coated with the same Mitsumasa Horii, Masahiro Sugiura, Seiji Onoda, Osamu Araki, Yoshiro Umemoto +6 more 1996-07-23
5467729 Buried marker Katumi Yamakawa 1995-11-21
5382029 Metal laminate gasket with deformation preventing mechanism Tsunekazu Udagawa 1995-01-17
5280929 Steel laminate gasket with reduced hole Yoshio Miyaoh 1994-01-25
5222367 Method of freezing food utilizing a set agitator 1993-06-29
5209504 Metal laminate gasket Tsunekazu Udagawa, Susumu Inamura 1993-05-11
5203576 Clip for a gasket Yoshio Miyaoh, Susumu Inamura 1993-04-20
5165256 Food freezer with jet agitator 1992-11-24
5141237 Steel laminate gasket with a plate information device Yoshio Miyaoh 1992-08-25
5082298 Steel laminate gasket with seal protecting member Tatsuro Uchida 1992-01-21
5074797 Electrical connector for connecting heat seal film to a printed wiring board 1991-12-24