Toshitada Doi — 20 Patents at Sony

Toshitada Doi has been granted 20 US patents while listed as an inventor at Sony. The first was granted in 1980 and the most recent in March 2007. Toshitada Doi ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Toshitada Doi in Yokohama, JP.

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7197455	Content selection system	Fukuharu Sudo, Makoto Akabane	2007-03-27	$1,159,000
6742118	Information processing apparatus, information processing method, data recording medium, and information processing system	Yoshitomo Osawa	2004-05-25	$1,156,000
6289351	Method and device for detecting presence or absence of validity in data needed to be updated	Makoto Ishii	2001-09-11
6119119	Data supplying method and device therefor	Makoto Ishii	2000-09-12	$2,783,000
5953721	Data supplying method and device thereof	Makoto Ishii	1999-09-14	$1,208,000
5887130	Information processing apparatus, information processing method, data recording medium, and information processing system	Yoshitomo Osawa	1999-03-23	$583,000
4644546	Method of digital signal transmission	Claudia Brandes, Roger Lagadec	1987-02-17	$368,000
4622598	Method of recording odd and even words of one channel PCM signals in plural tracks	Claudia Brandes, Roger Lagadec	1986-11-11	$222,000
RE31666	Burst-error correcting system	Akira Iga	1984-09-11
4413340	Error correctable data transmission method	Kentaro Odaka, Yoichiro Sako, Ikuo Iwamoto, Lodewijk B. Vries	1983-11-01	$454,000
4398292	Method and apparatus for encoding digital with two error correcting codes	Kentarou Odaka	1983-08-09	$213,000
4393502	Method and apparatus for communicating digital information words by error-correction encoding	Masato Tanaka, Shunsuke Furukawa, Ikuo Iwamoto	1983-07-12
4356564	Digital signal transmission system with encoding and decoding sections for correcting errors by parity signals transmitted with digital information signals	Shunsuke Furukawa, Kenji Nanba	1982-10-26	$254,000
4355392	Burst-error correcting system	Akira Iga	1982-10-19	$248,000
4306305	PCM Signal transmitting system with error detecting and correcting capability	Kentaro Odaka	1981-12-15	$340,000
4238852	Error correcting system	Akira Iga	1980-12-09	$387,000
4215335	Digital signal transmission method	Takashi Ito	1980-07-29	$123,000
4206440	Encoding for error correction of recorded digital signals	Shinichi Kazami	1980-06-03	$79,000
4194095	Fluid flow control speaker system	Akira Iga, Osamu Hamada, Jyoji Hukuda, Yuichiro Hamada	1980-03-18	$94,000
4188616	Method and system for transmitting and receiving blocks of encoded data words to minimize error distortion in the recovery of said data words	Shin-Ichi Kazami	1980-02-12	$218,000

Toshitada Doi — 20 Patents

Issued Patents All Time

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