Inventor
Tadashi Rokkaku
Inventor
Hiroshima, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification23%
G01RMeasuring electric variables15%
H01JElectric discharge tubes or discharge lamps15%
B23FMaking gears or toothed racks8%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling8%
B30BPresses in general8%
F16FSprings8%
G09GArrangements or circuits for control of indicating devices using static means to present variable information8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
10,996,243Vertical probe and jig for vertical probe20216,667,632'Potential sensor for detecting voltage of inspection target at non-contact condition to attain higher speed of inspection'20035,369,337'DC or HF ion source'19945,288,386'Sputtering apparatus and an ion source'19944,791,830'Balancer of reciprocating machine'19884,695,209'Helical guide apparatus usable for a gear shaper'19874,664,572'Chip disposer'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2003Patents assigned to MITSUBISHI HEAVY IND LTD (6)· patent assignee history
1987–1994Based in Hiroshima, JP· patent location history
2003Based in Shiga, JP· patent location history
2021Patents assigned to PROBE INNOVATION INC (1)· patent assignee history
2021Based in Irving, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI HEAVY IND LTD | 6 | 1987–2003 |
| PROBE INNOVATION INC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hiroshima, JP | 5 | 1987–1994 |
| Irving, Texas, US | 1 | 2021 |
| Shiga, JP | 1 | 2003 |