Inventor
Ryosuke Dohi
Inventor
Osaka, JP
Overview
13→
Patents
1987–2012
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification29%
F16KValves17%
G05DSystems for controlling or regulating non-electric variables17%
B23KSoldering or unsoldering8%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding8%
F16LPipes8%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure4%
PatentTitleYear
8,162,286'Piezoelectric driven control valve'20127,059,363'Method of supplying divided gas to a chamber from a gas supply apparatus equipped with a flow-rate control system'20066,394,415'Fluid control valve and fluid supply/exhaust system'20026,193,212'Fluid control valve and fluid supply/exhaust system'20016,116,092'Fluid pressure detector using a diaphragm'20006,018,136'System for supervising piping work'20005,981,905'System for supervising piping work'19995,816,285'Pressure type flow rate control apparatus'19985,791,369'Pressure type flow rate control apparatus'19985,669,408'Pressure type flow rate control apparatus'19975,609,077'Tightening device'19975,502,883'Method of tightening threaded member'19964,645,176'Control valve'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Based in Higashiosaka, JP· patent location history
1996–2012Patents assigned to FUJIKIN KK (10)· patent assignee history
1996–2012Based in Osaka, JP· patent location history
1998–2002Patents assigned to OHMI TADAHIRO (4)· patent assignee history
2001–2002Patents assigned to TAKAHASHI MIGAKU (2)· patent assignee history
2001–2002Patents assigned to TOHOKU STEEL CO LTD (2)· patent assignee history
2006Based in Saitama-shi, JP· patent location history
2012Patents assigned to DOHI RYOSUKE (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJIKIN KK | 10 | 1996–2012 |
| OHMI TADAHIRO | 4 | 1998–2002 |
| TAKAHASHI MIGAKU | 2 | 2001–2002 |
| TOHOKU STEEL CO LTD | 2 | 2001–2002 |
| DOHI RYOSUKEself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 11 | 1996–2012 |
| Saitama-shi, JP | 1 | 2006 |
| Higashiosaka, JP | 1 | 1987 |