Inventor
Hisakazu Okajima
Inventor
Nishikasugai-gun, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1032%
H05BElectric heating23%
G01RMeasuring electric variables18%
G02BOptical elements, systems or apparatus14%
H01BCables9%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
8,294,069'Heating device for heating a wafer'20127,544,916'Heating device'20097,279,661'Heating apparatus'20077,274,006'Heater'20077,247,817'Ceramic heater having a resistance heater element'20077,173,219'Ceramic heaters'20076,875,960'Heating system'20055,446,381'Optical voltage electric field sensor'19955,382,901'Optical magnetic field sensor capable of precise measurement without temperature induced errors'19955,355,084'Optical magnetic-field sensor having spherical lenses for light collimation'19945,202,629'Optical magnetic-field sensor having an integrally bonded magnetooptical element, polarizer, analyzer and substrate'19935,187,762'Optical ferrule'19935,136,680'Optical fiber built-in type composite insulator and method for producing the same'19925,069,525'Optical fiber built-in type composite insulator and method of producing the same'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2012Patents assigned to NGK INSULATORS LTD (14)· patent assignee history
1991–1992Based in Nagoya, JP· patent location history
1993–2012Based in Nishikasugai-gun, JP· patent location history
2007Based in Aichi, JP· patent location history
2012Patents assigned to GOTO YOSHINOBU (1)· patent assignee history
2012Patents assigned to OKAJIMA HISAKAZU (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NGK INSULATORS LTD | 14 | 1991–2012 |
| GOTO YOSHINOBU | 1 | 2012 |
| OKAJIMA HISAKAZUself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nishikasugai-gun, JP | 11 | 1993–2012 |
| Nagoya, JP | 2 | 1991–1992 |
| Aichi, JP | 1 | 2007 |