Inventor

Tadashi Aizawa

Inventor

Matsumoto, JP

Overview

25→

Patents

1977–2020

Patent span

Physics

Primary field (CPC G)

Patents· 25 as inventor

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

H01Qprimary

H01QAntennas, i.e. radio aerials20%

G04RRadio-controlled time-pieces16%

G04GElectronic time-pieces11%

G01SRadio direction-finding8%

B27DWorking veneer or plywood3%

G03HHolographic processes or apparatus3%

G04BMechanically-driven clocks or watches3%

G10LSpeech analysis techniques or speech synthesis3%

H04BTransmission3%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%

PatentTitleYear

10,770,782Electronic apparatus2020 10,761,491Portable electronic device2020 10,673,143Antenna structure, portable electronic device, and frequency adjustment method of antenna structure2020 10,651,547Electronic apparatus2020 10,607,785Electronic component and electronic device2020 10,488,688Display device and display apparatus2019 10,424,833Electronic apparatus2019 10,267,921Electronic device2019 10,218,060Electronic apparatus2019 10,153,552Antenna and electronic apparatus2018 10,146,184Hologram generation apparatus and hologram generation method2018 10,128,565Antenna and electronic apparatus2018 9,837,705Electronic apparatus2017 9,134,704'Electronic device with antenna'2015 8,917,213'Antenna device and electronic timepiece'2014 8,749,041'Thee-dimensional integrated semiconductor device and method for manufacturing same'2014 7,791,533'Positioning device, electronic instrument, and filter passband changing method'2010 7,120,466'Method for accepting sign-up applications from applicants who desire to utilize wireless communication services'2006 6,563,458'GPS reception system'2003 6,527,173'System of issuing card and system of certifying the card'2003 6,349,281'Voice model learning data creation method and its apparatus'2002 6,038,531'Similar word discrimination method and its apparatus'2000 4,797,169'Method and apparatus for assembling veneer sheet into a plywood'1989 4,614,045'Method and apparatus for circulating hot air in board drying apparatus'1986 4,035,538'Core block for plywood and method and apparatus for forming same'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1989Patents assigned to HASHIMOTO DENKI CO LTD (3)· patent assignee history

1977–1989Based in Nagoya, JP· patent location history

2000–2020Patents assigned to SEIKO EPSON CORP (18)· patent assignee history

2000–2014Based in Suwa, JP· patent location history

2010–2020Based in Matsumoto, JP· patent location history

2014Patents assigned to AIZAWA TADASHI (2)· patent assignee history

2014Patents assigned to FUJISAWA TERUHIKO (1)· patent assignee history

2015Based in Nagano, JP· patent location history

2018–2019Patents assigned to JVC KENWOOD CORP (2)· patent assignee history

2018–2019Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEIKO EPSON CORP	18	2000–2020
HASHIMOTO DENKI CO LTD	3	1977–1989
AIZAWA TADASHIself	2	2014
JVC KENWOOD CORP	2	2018–2019
FUJISAWA TERUHIKO	1	2014

Locations

Location	Patents	Span
Matsumoto, JP	12	2010–2020
Suwa, JP	5	2000–2014
Nagoya, JP	3	1977–1989
Yokohama, JP	2	2018–2019
Nagano, JP	1	2015