Inventor
Yoshitaka Hama
Inventor
Chino, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus18%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them18%
H04NPictorial communication, e.g. television18%
A61BDiagnosis9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein9%
H01LSemiconductor devices9%
H05KPrinted circuits9%
H10KOrganic electric solid-state devices9%
PatentTitleYear
10,986,303Virtual image display apparatus and video device unit manufacturing method202110,895,778Substrate for electro-optical device, electro-optical device, and electronic apparatus20218,998,938'Fluid ejection device, driving method of fluid ejection device, and operating instrument'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015–2021Patents assigned to SEIKO EPSON CORP (3)· patent assignee history
2015Patents assigned to HAMA YASUYOSHI (1)· patent assignee history
2015Patents assigned to KAWASUMI KAZUO (1)· patent assignee history
2015Patents assigned to KOJIMA HIDEKI (1)· patent assignee history
2015Patents assigned to ONO YASUHIRO (1)· patent assignee history
2015Based in Suwa, JP· patent location history
2021Based in Chino, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEIKO EPSON CORP | 3 | 2015–2021 |
| HAMA YASUYOSHIself | 1 | 2015 |
| KAWASUMI KAZUO | 1 | 2015 |
| KOJIMA HIDEKI | 1 | 2015 |
| ONO YASUHIRO | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chino, JP | 2 | 2021 |
| Suwa, JP | 1 | 2015 |