Inventor
Yoshihiro Hatakeyama
Inventor
Fukuyama, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Hprimary
H02HEmergency protective circuit arrangements17%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form9%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%
C08JWorking-up9%
C08LCompositions of macromolecular compounds9%
H01BCables9%
H02JElectric power networks9%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
PatentTitleYear
8,502,415'Uninterrupted power supply unit'20137,964,990'Power supply apparatus'20117,034,515'Instantaneous voltage lowering detection device'20066,423,808'Ethylene--olefin copolymer and composition, and film, laminate and electrical insulating material comprising same'20026,162,871'Ethylene-.alpha.-olefin copolymer and composition, and film, laminate and electrical insulating material comprising same'20005,874,513'Ethylene-.alpha.-olefin copolymer and composition, and film, laminate and electrical insulating material comprising same'19995,375,032'Trip control device for circuit breaker'19945,353,188'Overcurrent detector circuit for a circuit-breaker'19944,901,184'Trip control apparatus of circuit breaker'19904,819,125'Overcurrent detector'19894,814,935'Circuit breaker reactive to three time-overcurrent characteristics'19894,752,865'Power source device for circuit breaker'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2013Patents assigned to MITSUBISHI ELECTRIC CORP (9)· patent assignee history
1988–1994Based in Fukuyama, JP· patent location history
1999–2000Patents assigned to NIPPON PETROCHEMICALS CO LTD (2)· patent assignee history
1999–2002Based in Kanagawa, JP· patent location history
2002Patents assigned to JAPAN POLYOLEFINS CO LTD (1)· patent assignee history
2006–2013Based in Tokyo, JP· patent location history
2013Patents assigned to HATAKEYAMA YOSHIHIRO (1)· patent assignee history
2013Patents assigned to IWATA AKIHIKO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 9 | 1988–2013 |
| NIPPON PETROCHEMICALS CO LTD | 2 | 1999–2000 |
| HATAKEYAMA YOSHIHIROself | 1 | 2013 |
| IWATA AKIHIKO | 1 | 2013 |
| JAPAN POLYOLEFINS CO LTD | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fukuyama, JP | 6 | 1988–1994 |
| Tokyo, JP | 3 | 2006–2013 |
| Kanagawa, JP | 3 | 1999–2002 |