Inventor
Hisae Yamamura
Inventor
Yokohama, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Bprimary
G01BMeasuring length, thickness or similar linear dimensions14%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
G03GElectrography14%
G06TImage data processing or generation, in general14%
B41JTypewriters7%
G01RMeasuring electric variables7%
G05BControl or regulating systems in general7%
G11CStatic stores7%
H05KPrinted circuits7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
PatentTitleYear
10,915,994Image forming apparatus202110,895,831Conveyance control device and image reading apparatus20216,622,054'Method monitoring a quality of electronic circuits and its manufacturing condition and system for it'20036,333,992'Defect judgement processing method and apparatus'20015,780,866'Method and apparatus for automatic focusing and a method and apparatus for three dimensional profile detection'19985,459,794'Method and apparatus for measuring the size of a circuit or wiring pattern formed on a hybrid integrated circuit chip and a wiring board respectively'19955,373,471'Semiconductor memory device having redundancy memory cells for replacing defective'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2003Patents assigned to HITACHI LTD (4)· patent assignee history
1994–2003Based in Yokohama, JP· patent location history
2021Patents assigned to RICOH CO LTD (2)· patent assignee history
2021Patents assigned to YAMAMURA HIROKI (2)· patent assignee history
2021Patents assigned to AOYAGI KOHTA (1)· patent assignee history
2021Patents assigned to KOBAYASHI KAZUMI (1)· patent assignee history
2021Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 4 | 1994–2003 |
| RICOH CO LTD | 2 | 2021 |
| YAMAMURA HIROKIself | 2 | 2021 |
| AOYAGI KOHTA | 1 | 2021 |
| KOBAYASHI KAZUMI | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 5 | 1994–2003 |
| Kanagawa, JP | 2 | 2021 |