Junetsu Seto — 11 Patents at Sony

Junetsu Seto has been granted 11 US patents while listed as an inventor at Sony. The first was granted in 1981 and the most recent in November 1999. Junetsu Seto ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Junetsu Seto in Yokohama, JP.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5993971	Optical information record medium	Keiichi Nito, Tohru Nagai, Tsutomu Noguchi, Mayumi Miyashita, Katsumi Kohno	1999-11-30	$766,000
5153099	Wavelength multiplexed optical recording material	Noriyuki Kishii, Shinichiro Tamura, Nobutoshi Asai, Koichi Kawasumi	1992-10-06
4865945	Positive photoresist material with o-quinone diazide and polymer containing silicon atoms	Tsutomu Noguchi, Keiichi Nito	1989-09-12	$206,000
4767696	Laser information recording medium having an improved recording layer	Coe Ishimoto, Hiroshi Tomimuro	1988-08-30	$361,000
4753867	Optical recording medium	Seiichi Arakawa, Hirofumi Kondo, Nobutoshi Asai	1988-06-28	$409,000
4693962	Photochromic photosensitive compositions	Shinichiro Tamura	1987-09-15	$306,000
4565779	Photochromic compounds and photosensitive compositions containing the compounds	Seiichi Arakawa, Hirofumi Kondo	1986-01-21	$1,670,000
4542084	Method for forming a colored image	Haruo Watanabe, Kiyosuke Suzuki, Toshiaki Fukuma	1985-09-17	$172,000
4485168	Photochromic photosensitive composition	Seiichi Arakawa, Koichi Kawasumi	1984-11-27	$348,000
4330600	Magnetic recording medium	Kouichi Kawasumi, Haruo Watanabe	1982-05-18	$1,487,000
4247593	Magnetic recording medium and method of preparing the same	Toru Nagai	1981-01-27	$781,000

Junetsu Seto — 11 Patents

Issued Patents All Time

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