Inventor
Takeshi Tokunaga
Inventor
Nagoya, JP
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B28Bprimary
B28BShaping clay or other ceramic compositions12%
E05FDevices for moving wings into open or closed position11%
E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof11%
Y10TTechnical subjects covered by former us classification10%
C04BLime, magnesia8%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general8%
B01DSeparation5%
H02HEmergency protective circuit arrangements4%
Y02TClimate change mitigation technologies related to transportation4%
G07CTime or attendance registers3%
PatentTitleYear
10,101,254Shelf-plate crack detecting method, honeycomb structure delivering method, shelf-plate crack detecting apparatus, and shelf plate delivering apparatus20189,975,779SiC formed body and method for producing SiC formed body20188,974,723'Process for producing honeycomb structure'20158,968,638'Apparatus for injecting slurry and method therefor'20158,535,587'Method for manufacturing plugged honeycomb structure'20138,328,974'Film sticking apparatus and film sticking method'20128,048,508'Plugged honeycomb structure'20118,003,035'Method of manufacturing plugged honeycomb structure'20118,000,516'Manufacturing method of plugged honeycomb structure'20117,972,677'Plugged honeycomb structure'20117,858,168'Honeycomb structure and manufacturing method of the same'20107,807,085'Manufacturing apparatus of plugged honeycomb structure and manufacturing method of the same'20107,736,581'Manufacturing method of plugged honeycomb structure'20107,638,086'Manufacturing method of plugged honeycomb structure'2009D0604512'Hand basket'2009D0604046'Hand basket'20096,308,056'Double super tuner'20015,918,168'Double super tuner'19994,825,315'Magnetic disc driving device'19894,405,923'Garage door control system'19834,393,342'Door operation control apparatus'19834,386,398'Automatic door control apparatus'19834,383,206'Door operation control apparatus'19834,365,250'Garage door operation control apparatus'19824,344,252'Garage door operation control apparatus'19824,328,540'Door operation control apparatus'19824,311,225'Device for driving driven member by roller chain'19823,984,006'Automatic assembly control system'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1989Patents assigned to HITACHI LTD (10)· patent assignee history
1976–1989Based in Hitachi, JP· patent location history
1999–2001Patents assigned to TOSHIBA KK (2)· patent assignee history
1999–2001Based in Fukaya, JP· patent location history
2009–2018Patents assigned to NGK INSULATORS LTD (13)· patent assignee history
2009–2018Patents assigned to TOKUNAGA TAKESHI (6)· patent assignee history
2009–2018Based in Nagoya, JP· patent location history
2009Based in Marugame, JP· patent location history
2018Patents assigned to ASAKURA MASAAKI (1)· patent assignee history
2018Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NGK INSULATORS LTD | 13 | 2009–2018 |
| HITACHI LTD | 10 | 1976–1989 |
| TOKUNAGA TAKESHIself | 6 | 2009–2018 |
| TOSHIBA KK | 2 | 1999–2001 |
| ASAKURA MASAAKI | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagoya, JP | 13 | 2009–2018 |
| Hitachi, JP | 10 | 1976–1989 |
| Marugame, JP | 2 | 2009 |
| Fukaya, JP | 2 | 1999–2001 |
| Tokyo, JP | 1 | 2018 |