LexDanaLexDanabeta
Inventor

Takafumi Watanabe

Inventor
Chigasaki, JP

Overview

15→
Patents
1999–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 15 as inventor

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

C23Cprimary
C23CCoating metallic material12%
B24BMachines, devices, or processes for grinding or polishing9%
F02FCylinders, pistons or casings, for combustion engines9%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%
Y10TTechnical subjects covered by former us classification9%
B05BSpraying apparatus6%
H10HInorganic light-emitting semiconductor devices having potential barriers6%
A61LMethods or apparatus for sterilising materials or objects in general3%
B05DProcesses for applying fluent materials to surfaces, in general3%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material3%
PatentTitleYear
10,297,524Heat sink20199,885,311'Method for manufacturing cylinder block and cylinder block'20189,797,335'Method for manufacturing cylinder block'20179,707,310'Air cleaning device, air cleaning method using the air cleaning device, and air cleaning system'20179,695,497'Method for finishing work of spray-coated surface and working tool'20179,494,103'Cylinder block manufacturing method and cylinder block'20167,994,532'LED indicator casing, LED indicator, and LED indicator joint member comprising hanger members'20117,794,306'Surface finishing apparatus and related method'20107,786,492'Light-emitting device'20107,413,498'Lapping apparatus and lapping method'20087,096,366'Portable electronic device with a security function and a nonvolatile memory'20067,082,805'Manufacturing method for cylindrical part'20067,033,245'Lapping apparatus and lapping method'20066,621,297'Semiconductor device malfunction preventive circuit'20035,914,980'Wireless communication system and data storage medium'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2006Patents assigned to TOSHIBA KK (2)· patent assignee history
2003Patents assigned to ALLIED TELESIS KK (1)· patent assignee history
2003–2006Based in Tokyo, JP· patent location history
2006–2018Patents assigned to NISSAN MOTOR (7)· patent assignee history
2006–2010Based in Yokohama, JP· patent location history
2010–2011Patents assigned to SANYO ELECTRIC CO (2)· patent assignee history
2010–2011Based in Tottori, JP· patent location history
2016–2018Based in Chigasaki, JP· patent location history
2017–2019Patents assigned to APS JAPAN CO LTD (2)· patent assignee history
2017–2019Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NISSAN MOTOR72006–2018
APS JAPAN CO LTD22017–2019
SANYO ELECTRIC CO22010–2011
TOSHIBA KK21999–2006
ALLIED TELESIS KK12003
Locations
LocationPatentsSpan
Chigasaki, JP42016–2018
Yokohama, JP32006–2010
Osaka, JP22017–2019
Tottori, JP22010–2011
Tokyo, JP22003–2006