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Inventor

Toshiaki Nagai

Inventor
Kanagawa, JP

Overview

27→
Patents
1987–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 27 as inventor

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

H03Mprimary
H03MCoding17%
H01LSemiconductor devices14%
H04NPictorial communication, e.g. television14%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation12%
G01RMeasuring electric variables7%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids5%
G01SRadio direction-finding3%
G10LSpeech analysis techniques or speech synthesis3%
Y10TTechnical subjects covered by former us classification3%
B29CShaping or joining of plastics2%
PatentTitleYear
10,764,665Microphone and sound pickup method202010,656,271Time-of-flight distance measurement device and method for same202010,554,912Semiconductor apparatus, solid-state image sensing apparatus, and camera system202010,497,355Driving information recording device, driving information playback device, controlling device, driving information recording method, and driving information recording program201910,422,879Time-of-flight distance measuring device201910,027,912Semiconductor apparatus, solid-state image sensing apparatus, and camera system having via holes between substrates20189,866,702'Echo cancellation device, non-transitory computer readable medium storing echo cancellation program, and echo cancellation'20189,838,626Semiconductor apparatus, solid-state image sensing apparatus, and camera system20179,736,409'Semiconductor apparatus, solid-state image sensing apparatus, and camera system'20179,734,841'Device and method for suppressing noise signal, device and method for detecting special signal, and device and method for detecting notification sound'20179,711,486'Stacked semiconductor device'20179,654,708'Semiconductor apparatus, solid-state image sensing apparatus, and camera system'20179,509,933'Semiconductor apparatus, solid-state image sensing apparatus, and camera system'20169,350,929'Semiconductor apparatus, solid-state image sensing apparatus, and camera system'20167,186,578'Thin sheet production method and thin sheet production device'20077,173,485'Phase-compensated filter circuit with reduced power consumption'20077,131,829'Spiral die assembly'20067,116,254'Complex type sigma-delta analog to digital conversion unit and receiver'20067,075,055'Measuring device'20067,061,416'Adaptive-type sigma-delta A/D converter'20066,573,699'Device for measuring electric current by use of electro-optical crystal'20036,259,244'Electrooptic voltage waveform measuring method employing light sampling technique using Pockels effect'20016,057,677'Electrooptic voltage waveform measuring method and apparatus'20005,064,363'Non-lubricated screw machine with a rotor having a taper and varied helical angle'19914,952,125'Nonlubricated screw fluid machine'19904,915,604'Rotors for a screw fluid machine'19904,671,751'Screw rotor tooth profile'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1991Patents assigned to HITACHI LTD (4)· patent assignee history
1990–1991Based in Shimizu, JP· patent location history
2000–2017Patents assigned to FUJITSU LTD (8)· patent assignee history
2000–2007Based in Kawasaki, JP· patent location history
2006–2020Based in Yokohama, JP· patent location history
2016–2020Patents assigned to SONY CORP (7)· patent assignee history
2016–2020Based in Kanagawa, JP· patent location history
2017–2020Patents assigned to JVC KENWOOD CORP (4)· patent assignee history
2019–2020Patents assigned to DENSO CORP (2)· patent assignee history
2019–2020Based in Kariya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD82000–2017
SONY CORP72016–2020
HITACHI LTD41987–1991
JVC KENWOOD CORP42017–2020
DENSO CORP22019–2020
Locations
LocationPatentsSpan
Kanagawa, JP72016–2020
Kawasaki, JP72000–2007
Yokohama, JP62006–2020
Shimizu, JP31990–1991
Kariya, JP22019–2020