Inventor
Hiroshi Tooyama
Inventor
Hachioji, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps29%
G01RMeasuring electric variables25%
G11BInformation storage based on relative movement between record carrier and transducer8%
B82YSpecific uses or applications of nanostructures4%
F01MLubricating of machines or engines in general4%
F16NLubricating4%
G01FMeasuring volume, volume flow, mass flow or liquid level4%
G01QScanning-probe techniques or apparatus4%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices4%
H01HElectric switches4%
PatentTitleYear
7,952,074'Method and apparatus for inspecting integrated circuit pattern'20117,417,444'Method and apparatus for inspecting integrated circuit pattern'20087,408,760'Charged particle beam application system'20087,026,830'Method and apparatus for inspecting integrated circuit pattern'20066,559,663'Method and apparatus for inspecting integrated circuit pattern'20036,329,826'Method and apparatus for inspecting integrated circuit pattern'20016,172,363'Method and apparatus for inspecting integrated circuit pattern'20015,369,396'Apparatus for detecting a level of liquid'19945,001,409'Surface metrological apparatus'19914,541,082'Device for optically tracking information'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2011Patents assigned to HITACHI LTD (8)· patent assignee history
1985–2011Based in Hachioji, JP· patent location history
1994Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history
1994Based in Nishikamo, JP· patent location history
2008Patents assigned to CANON KK (1)· patent assignee history
2008Patents assigned to HITACHI HIGH TECH CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 8 | 1985–2011 |
| CANON KK | 1 | 2008 |
| HITACHI HIGH TECH CORP | 1 | 2008 |
| TOYOTA MOTOR CO LTD | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hachioji, JP | 9 | 1985–2011 |
| Nishikamo, JP | 1 | 1994 |