Inventor
Tetsuji Ito
Inventor
Fukuoka, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus17%
H01LSemiconductor devices11%
H10HInorganic light-emitting semiconductor devices having potential barriers11%
A61BDiagnosis6%
F21KNon-electric light sources using luminescence6%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted6%
G01CMeasuring distances, levels or bearings6%
G01DMeasuring not specially adapted for a specific variable6%
G01FMeasuring volume, volume flow, mass flow or liquid level6%
G01KMeasuring temperature6%
PatentTitleYear
11,042,020Endoscope having observation window with circumferential side surface and cleaning nozzles directed to circumferential side surface202110,598,844Wavelength conversion member, and light-emitting apparatus, light-emitting element, light source apparatus, and display apparatus using same202010,422,937Wavelength converting member, and light emitting device, light emitting element, light source unit, and display device using wavelength converting member20197,309,945'Laminated-type piezoelectric element and a manufacturing method thereof'20075,198,662'Water temperature distribution measurement system employing optical cable and means for determining a water depth at various points along the optical cable'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993Patents assigned to JAPAN MARINE SCIENCE & TECH (1)· patent assignee history
1993Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (1)· patent assignee history
1993Based in Osaka, JP· patent location history
2007Patents assigned to DENSO CORP (1)· patent assignee history
2007Based in Kariya, JP· patent location history
2019–2020Patents assigned to NS MAT INC (2)· patent assignee history
2019–2020Based in Fukuoka, JP· patent location history
2021Patents assigned to OLYMPUS CORP (1)· patent assignee history
2021Based in Chofu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NS MAT INC | 2 | 2019–2020 |
| DENSO CORP | 1 | 2007 |
| JAPAN MARINE SCIENCE & TECH | 1 | 1993 |
| OLYMPUS CORP | 1 | 2021 |
| SUMITOMO ELECTRIC INDUSTRIES | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fukuoka, JP | 2 | 2019–2020 |
| Chofu, JP | 1 | 2021 |
| Kariya, JP | 1 | 2007 |
| Osaka, JP | 1 | 1993 |