Inventor
Tatsuo Kawaguchi
Inventor
Nagoya, JP
Overview
Patents· 43 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus15%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein14%
C30BSingle-crystal growth12%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application9%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact8%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general6%
H10NElectric solid-state devices not otherwise provided for6%
Y10TTechnical subjects covered by former us classification6%
Y02TClimate change mitigation technologies related to transportation4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
11,079,182Heat exchanger202110,837,342Heat exchange component202010,619,938Heat exchange member202010,619,947Heat exchanger202010,527,369Heat exchanger element, manufacturing method therefor, and heat exchanger202010,494,974Exhaust heat recovery device201910,234,209Heat exchanger20199,759,157'Heat/acoustic wave conversion unit'20179,739,540'Heat conduction member'20179,534,856'Heat exchanger'20177,372,191'Microswitch and method for manufacturing the same'20087,355,327'Laminated piezoelectric/electrostrictive element'20087,342,349'Piezoelectric actuator array and manufacturing method'20087,236,674'Optical waveguide device, coherent light source using the same and optical apparatus having the same'20077,192,799'Matrix type piezoelectric/electrostrictive device and manufacturing method thereof'20077,171,094'Optical waveguide device, optical waveguide laser using the same and optical apparatus equipped with the same'20077,161,281'Less-dust-generative piezoelectric/electrostrictive device and manufacturing method'20077,087,294'Bonding body and method of producing the same'20066,824,897'Method for producing bonded articles, bonded articles and bonding agents'20046,794,723'Matrix type piezoelectric/electrostrictive device and manufacturing method thereof'20046,731,422'Method for forming a polarization-inversed portion'20046,687,448'Method of processing a substrate made of a ferroelectric single crystalline material'20046,654,529'Ferroelectric domain inverted waveguide structure and a method for producing a ferroelectric domain inverted waveguide structure'20036,631,231'Optical waveguide elements, optical wavelength conversion elements, and process for producing optical waveguide elements'20036,404,968'Optical waveguide elements and a process for producing the same'20026,363,189'Directional coupler'20026,353,495'Method for forming a ferroelectric domain-inverted structure'20026,203,728'Optical single crystal film process for producing the same and optical element comprising the same'20016,129,864'Process for producing optical waveguide substrate'20006,117,346'Process for forming a microstructure in a substrate of a ferroelectric single crystal'20006,074,477'Process and an apparatus for producing a composite oxide single crystal body'20006,051,062'Optical single crystal film, process for producing the same and optical element comprising the same'20005,991,067'Optical waveguide substrate, optical waveguide device, second harmonic generation device, and process of producing optical waveguide substrate'19995,985,022'Optoelectric articles and a process for producing the same'19995,943,465'Optical waveguide element, optical element, method for producing optical waveguide element and method for producing periodic domain-inverted structure'19995,866,200'Process for producing optical waveguide-provided substrate'19995,763,055'Optical single crystalline articles and optical elements using such optical single crystalline articles'19985,737,117'Second harmonic generation element and a process for producing the same'19985,650,006'Process for producing a lithium niobate-lithium tantalate single crystal substrate'19975,643,688'Optoelectric articles and a process for producing the same'19975,603,762'Process and apparatus for the production of films of oxide type single crystal'19975,539,569'Optoelectric articles and a process for producing the same'19965,517,942'Process for producing optoelectric articles'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2021Patents assigned to NGK INSULATORS LTD (43)· patent assignee history
1996–2020Based in Nagoya, JP· patent location history
1999–2007Based in Motosu-gun, JP· patent location history
2000–2006Based in Kariya, Aichi-pref., JP· patent location history
2002–2003Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (2)· patent assignee history
2002Patents assigned to NEC CORP (1)· patent assignee history
2008–2017Based in Mizuho, JP· patent location history
2017Patents assigned to HASHIMOTO SHIGEHARU (1)· patent assignee history
2017Patents assigned to KAWAGUCHI TATSUO (1)· patent assignee history
2021Based in Nagoya-shi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NGK INSULATORS LTD | 43 | 1996–2021 |
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 2 | 2002–2003 |
| HASHIMOTO SHIGEHARU | 1 | 2017 |
| KAWAGUCHI TATSUOself | 1 | 2017 |
| NEC CORP | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagoya, JP | 20 | 1996–2020 |
| Motosu-gun, JP | 14 | 1999–2007 |
| Mizuho, JP | 3 | 2008–2017 |
| Kariya, Aichi-pref., JP | 3 | 2000–2006 |
| Nagoya-shi, JP | 1 | 2021 |