Inventor
Shigeo Take
Inventor
Yokosuka, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
F02PIgnition, other than compression ignition, for internal-combustion engines8%
C04BLime, magnesia5%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general5%
F02BInternal-combustion piston engines5%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock5%
G07CTime or attendance registers5%
Y10TTechnical subjects covered by former us classification5%
B01DSeparation3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
PatentTitleYear
5,793,649'Apparatus for measuring the operation of vehicular engines'19985,760,574'Engine revolution counter having mode setting terminals and a detachable body'19985,617,373'Time totaling meter and unit of the same for internal combustion engine'1997D0366003'Engine tachometer'19965,269,140'Exhaust gas purifier for methanol-fueled engines'19935,240,428'Working machine safety device'19935,181,232'Diesel engine revolution counter'1993D0331026'Engine tachometer'1992D0331028'Engine tachometer'19925,158,753'Internal combustion engine exhaust gas purifying device and process'19924,911,227'Heat exchange apparatus for effecting heat exchange in plurality of gases, heat exchange element for use in said apparatus and process for preparation of said heat exchange element'19904,829,579'Apparatus for confirming and reporting the operating conditions of a chain saw or the like'19894,533,581'Highly heat-resistant disc roll'19854,416,043'Disc roll'19834,303,553'Neutron-protection heat insulating material'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1983Patents assigned to NIPPON ASBESTOS CO LTD (2)· patent assignee history
1981Based in Yokohama, JP· patent location history
1983Based in Ayase, JP· patent location history
1985–1998Based in Kanagawa, JP· patent location history
1989–1997Patents assigned to OPPAMA KOGYO KK (4)· patent assignee history
1992–1996Patents assigned to OPPAMA IND CO LTD (3)· patent assignee history
1992–1993Patents assigned to NICHIAS CORP (2)· patent assignee history
1992–1998Based in Yokosuka, JP· patent location history
1993–1998Patents assigned to KIORITZ CORP (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OPPAMA KOGYO KK | 4 | 1989–1997 |
| OPPAMA IND CO LTD | 3 | 1992–1996 |
| KIORITZ CORP | 2 | 1993–1998 |
| NICHIAS CORP | 2 | 1992–1993 |
| NIPPON ASBESTOS CO LTD | 2 | 1981–1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokosuka, JP | 7 | 1992–1998 |
| Kanagawa, JP | 6 | 1985–1998 |
| Ayase, JP | 1 | 1983 |
| Yokohama, JP | 1 | 1981 |