Yasuhiro Tsukada — 5 Patents at Diamet

Yasuhiro Tsukada has been granted 5 US patents while listed as an inventor at Diamet. The first was granted in 2009 and the most recent in June 2020. Yasuhiro Tsukada ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Yasuhiro Tsukada in Niigata, JP.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
10697495	Iron-copper-based oil-impregnated sintered bearing and method for manufacturing same	Yoshinari Ishii, Tomoe Obata	2020-06-30
10428873	Iron-copper-based oil-impregnated sintered bearing and method for manufacturing same	Yoshinari Ishii, Tomoe Obata	2019-10-01
9476453	Cu-based oil-impregnated sintered bearing	Yoshinari Ishii	2016-10-25
8034956	Ionic liquid and method for producing the same, method for forming oxide film on metal surface, electrolyte capacitor and electrolyte	Masamitsu Tachibana, Hiroyuki Furutani, Hideo Yamagishi, Mutsuaki Murakami	2011-10-11
7504765	Piezoelectric transformer and the method for manufacturing the same	Hiroshi Ohki	2009-03-17

Yasuhiro Tsukada — 5 Patents

Issued Patents All Time

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