Ryuichi Watanabe — 11 Patents at Sony

Ryuichi Watanabe has been granted 11 US patents while listed as an inventor at Sony. The first was granted in 1996 and the most recent in December 2025. Ryuichi Watanabe ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Ryuichi Watanabe in Zushi, JP.

Patents per Year

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Showing 1–11 of 11 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12499344	Method of executing classification process using machine learning model, information processing device, and non-transitory computer-readable medium storing computer program	HIROMI KURASAWA	2025-12-16
12449350	Determination method	HIROMI KURASAWA, Yoshihiro Oshita, Masashi Kanai	2025-10-21
9704668	Input device	Hajime Osako, Yoshiyuki Tagawa	2017-07-11
7075558	Digital map display zooming method, digital map display zooming device, and storage medium for storing digital map display zooming program	Masafumi Minami, Hiroto Narioka	2006-07-11	$698,000
6424355	Digital map display zooming method, digital map display zooming device, and storage medium for storing digital map display zooming program	Masafumi Minami	2002-07-23	$897,000
6411274	Digital map display zooming method, digital map display zooming device, and storage medium for storing digital map display zooming program	Masafumi Minami, Hiroto Narioka	2002-06-25	$624,000
6401030	Information processing apparatus and method, and program storage medium	Takashi Kuwayama	2002-06-04	$847,000
6396498	Information processing apparatus and method, and providing medium	—	2002-05-28	$1,248,000
6285347	Digital map display scrolling method, digital map display scrolling device, and storage device for storing digital map display scrolling program	Masafumi Minami	2001-09-04	$741,000
5608565	Bidirectional optical transmission system	Yasuhiro Suzuki, Kiyomi Kumozaki	1997-03-04	$571,000
5539564	Point-to-multipoint optical transmission system	Kiyomi Kumozaki, Seiichi Yamano, Noriki Miki, Shinichi Aoyagi, Yasuyuki Okumura +1 more	1996-07-23	$295,000

Ryuichi Watanabe — 11 Patents

Patents per Year

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