Inventor
Yukiyoshi Hara
Inventor
Ageo, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C23Cprimary
C23CCoating metallic material18%
Y10TTechnical subjects covered by former us classification18%
F23CMethods or apparatus for combustion using fluid fuel or solid fuel suspended in a carrier gas or air9%
F23RGenerating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein9%
G09FDisplaying9%
H01LSemiconductor devices9%
H10DInorganic electric semiconductor devices9%
Y02TClimate change mitigation technologies related to transportation9%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1993Patents assigned to TOKYO ELECTRIC POWER CO (3)· patent assignee history
1990–1993Patents assigned to HITACHI LTD (2)· patent assignee history
1990Based in Saitama, JP· patent location history
1991Patents assigned to TOSHIBA KK (1)· patent assignee history
1991–1993Based in Ageo, JP· patent location history
2021Patents assigned to SHARP KK (1)· patent assignee history
2021Based in Sakai, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOKYO ELECTRIC POWER CO | 3 | 1990–1993 |
| HITACHI LTD | 2 | 1990–1993 |
| SHARP KK | 1 | 2021 |
| TOSHIBA KK | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ageo, JP | 2 | 1991–1993 |
| Sakai, JP | 1 | 2021 |
| Saitama, JP | 1 | 1990 |