Inventor
Yasutaka Kataoka
Inventor
Osaka, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Tprimary
H01TSpark gaps31%
A61LMethods or apparatus for sterilising materials or objects in general23%
F24FAir-conditioning15%
C07DHeterocyclic compounds8%
G02BOptical elements, systems or apparatus8%
H01JElectric discharge tubes or discharge lamps8%
Y02ATechnologies for adaptation to climate change8%
PatentTitleYear
11,099,324Optical waveguide device202110,207,019Ion generator20199,276,385'Ion generator provided with ion generation units at respective air flow passages'20169,125,961'Ion generating unit and electric device'20158,432,660'Ion generating unit and lighting apparatus'20135,686,616'Process for preparing an optically active amine'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997Patents assigned to TAKASAGO PERFUMERY CO LTD (1)· patent assignee history
1997–2016Based in Osaka, JP· patent location history
2013–2019Patents assigned to SHARP KK (4)· patent assignee history
2013–2016Patents assigned to KATAOKA YASUTAKA (2)· patent assignee history
2013Patents assigned to KAMII MIWA (1)· patent assignee history
2019Based in Sakai, JP· patent location history
2021Patents assigned to SUMITOMO OSAKA CEMENT CO LTD (1)· patent assignee history
2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHARP KK | 4 | 2013–2019 |
| KATAOKA YASUTAKAself | 2 | 2013–2016 |
| KAMII MIWA | 1 | 2013 |
| SUMITOMO OSAKA CEMENT CO LTD | 1 | 2021 |
| TAKASAGO PERFUMERY CO LTD | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 4 | 1997–2016 |
| Tokyo, JP | 1 | 2021 |
| Sakai, JP | 1 | 2019 |