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Inventor

Toshiyuki Nozawa

Inventor
Okaya, JP

Overview

12→
Patents
1991–2020
Patent span
Physics
Primary field (CPC G)

Patents· 12 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Cprimary
G01CMeasuring distances, levels or bearings14%
G04RRadio-controlled time-pieces14%
G04GElectronic time-pieces10%
C07DHeterocyclic compounds7%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments7%
G04BMechanically-driven clocks or watches7%
G04CElectromechanical clocks or watches7%
G06FElectric digital data processing7%
G06NComputing arrangements based on specific computational models7%
G09GArrangements or circuits for control of indicating devices using static means to present variable information7%
PatentTitleYear
10,649,097Electronic timepiece202010,338,536Electronic timepiece201910,190,880Electronic timepiece201910,185,289Electronic timepiece20199,013,376'Light emitting device, method of driving pixel circuit, and driving circuit'20158,186,218'Physical quantity measuring apparatus and electronic device'20127,554,514'Electro-optical device and electronic apparatus'20097,296,048'Semiconductor circuit for arithmetic processing and arithmetic processing method'20076,728,745'Semiconductor circuit for arithmetic operation and method of arithmetic operation'20046,456,532'Semiconductor memory device'2002RE035044'Cyanine compounds'19955,008,401'Cyanine compounds'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1995Patents assigned to ASAHI CHEMICAL CO (2)· patent assignee history
1991–1995Based in Sakai, JP· patent location history
2002–2004Patents assigned to I & F INC (2)· patent assignee history
2002–2007Based in Miyagi, JP· patent location history
2004–2007Patents assigned to OHMI TADAHIRO (2)· patent assignee history
2007–2012Patents assigned to NOZAWA TOSHIYUKI (2)· patent assignee history
2009–2020Patents assigned to SEIKO EPSON CORP (7)· patent assignee history
2009–2020Based in Okaya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP72009–2020
ASAHI CHEMICAL CO21991–1995
I & F INC22002–2004
NOZAWA TOSHIYUKIself22007–2012
OHMI TADAHIRO22004–2007
Locations
LocationPatentsSpan
Okaya, JP72009–2020
Miyagi, JP32002–2007
Sakai, JP21991–1995