Minoru Otsuka — 5 Patents at Sony

Minoru Otsuka has been granted 5 US patents while listed as an inventor at Sony. The first was granted in 1987 and the most recent in May 1994. Minoru Otsuka ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Minoru Otsuka in Kiryu City, JP.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5311497	Pickup feeding apparatus for a double-sided reproducing disc player	Kazuyuki Takizawa, Hideki Okii	1994-05-10	$168,000
5032601	Venous extensibility improving and cardiac hypertrophy suppressant agent containing a dihydropyridine compound	Takaharu Ono	1991-07-16
4972562	Electronically controlled sample warper	Yoshihiro Tanaka, Takatsugu Aihara	1990-11-27
4773057	Apparatus for reproducing selectively loaded discs of different diameters	Kazuto Naganuma, Keiji Maruta, Akihiro Yamada, Kazuyuki Takizawa, Shigeru Miyazaki +2 more	1988-09-20	$275,000
4649458	Control circuits for electromagnetic coupling apparatus	Shigeharu Arai	1987-03-10

Minoru Otsuka — 5 Patents

Issued Patents All Time

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