Koichi Sudo — 9 Patents at Hitachi

Koichi Sudo has been granted 9 US patents while listed as an inventor at Hitachi. The first was granted in 1992 and the most recent in February 2002. Koichi Sudo ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Koichi Sudo in Yamagata, JP.

Patents per Year

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Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6344857	Gamma correction circuit	Takaaki Matono, Haruki Takata, Katsunobu Kimura, Tatsuo Nagata, Takeshi Sakai	2002-02-05	$226,000
6195132	Noise reduction signal processing circuit and display apparatus	Katsunobu Kimura, Takaaki Matono, Haruki Takata, Tatsuo Nagata, Masato Sugiyama +1 more	2001-02-27	$289,000
6151079	Image display apparatus having a circuit for magnifying and processing a picture image in accordance with the type of image signal	Tatsuo Nagata, Takaaki Matono, Takeshi Sakai, Ryo Hasegawa	2000-11-21	$1,074,000
6078702	Image display apparatus	Takaaki Matono, Tatsuo Nagata, Takeshi Sakai	2000-06-20	$551,000
5953075	Video signal processing apparatus with means for magnifying and processing a picture image correspondingly to video signals	Tatsuo Nagata, Takaaki Matono, Takeshi Sakai, Ryo Hasegawa	1999-09-14	$593,000
5838381	Image display apparatus capable of displaying personal computer signals and television signal by conversion into a signal of a higher number of pixels	Yasuhiro Kasahara, Takaaki Matono, Makoto Kitamura, Yasuhiro Tomita, Kouichi Sugimoto +2 more	1998-11-17	$224,000
5306568	High Young's modulus materials and surface-coated tool members using the same	Yukinori Matsuda, Kozo Ozaki	1994-04-26
5160675	Sputtering target for producing electroconductive transparent films and process for manufacture thereof	Tetsushi Iwamoto, Yasunobu Yoshida, Toshiaki Furuto	1992-11-03
5139737	Steel for plastics molds superior in weldability	Masaru Nagata	1992-08-18

Koichi Sudo — 9 Patents

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