Inventor
Hiroyuki Hama
Inventor
Tokyo, JP
Overview
Patents· 52 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC21primary
LOC2128%
H01RElectrically-conductive connections14%
G01RMeasuring electric variables13%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines11%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power10%
H01HElectric switches6%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%
A63HToys, e.g. tops, dolls, hoops or building blocks3%
Y10TTechnical subjects covered by former us classification3%
A61BDiagnosis1%
PatentTitleYear
10,960,317Spinning top toy and spinning top toy set2021D0914810Accessory for spinning top toy2021D0914809Accessory for spinning top toy2021D0912161Accessory for spinning top toy2021D0912157Playing surface for spinning top toy2021D0908466Fastener202110,799,805Spinning top launching device2020D0892944Accessory for spinning top toy2020D0892943Accessory for spinning top toy2020D0892227Spinning top toy2020D0892226Spinning top toy2020D0891527Accessory for spinning top toy2020D0891529Accessory for spinning top toy2020D0891528Spinning top toy2020D0891526Accessory for spinning top toy2020D0886914Accessory for spinning top toy2020D0886913Accessory for spinning top toy2020D0884078Playing surface for spinning top toy2020D0878482Launching apparatus for spinning top toy2020D0868903Launching apparatus for spinning top toy2019D0852895Launching apparatus for spinning top toy2019D0852894Accessory for spinning top toy2019D0852282Accessory for spinning top toy201910,256,611Gas insulated electrical apparatus and method of manufacturing gas insulated electrical apparatus20198,905,788'Connector and semiconductor testing device including the connector'20148,860,454'Connector and semiconductor testing device including the connector'20148,657,625'Connector and semiconductor test device'20147,848,084'Gas-insulated equipment'20107,742,283'Gas-insulated equipment'20107,690,944'Connector assembly, receptacle type connector, and interface apparatus'20107,611,377'Interface apparatus for electronic device test apparatus'20097,484,285'System for mating and demating multiple connectors mounted on board of semiconductor test apparatus'20097,144,260'Connector'20067,125,264'Connector'20066,846,189'Connector'20056,831,828'Gas-insulated switchgear'20046,717,499'Transformer for gas insulated electric apparatus'20046,680,665'Three-phase current transformer'20046,661,234'Failure determining apparatus of gas-insulated electrical appliance'20036,424,059'Gas insulated switching device'20026,417,682'Semiconductor device testing apparatus and its calibration method'20026,342,547'Epoxy resin composition for SF6 gas insulating device and SF6 gas insulating device'20026,164,982'IC socket for holding IC having multiple parallel pins'20005,869,796'Contact device'19995,818,219'Semiconductor test system having test head connection apparatus'19985,754,057'Contact mechanism for test head of semiconductor test system'19985,723,813'Insulating spacer with shield electrodes having a graded resistance'19984,846,695'Bus bar connector'19894,786,761'Gas insulated electrical apparatus'19884,779,197'Three-phase-enclosure type gas insulated switchgear'19884,730,085'Gas insulated electrical apparatus with particle traps'19884,153,356'Light source apparatus for endoscope'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979Based in Higashimurayama, JP· patent location history
1988–2019Patents assigned to MITSUBISHI ELECTRIC CORP (14)· patent assignee history
1988–1989Based in Amagasaki, JP· patent location history
1998–2014Patents assigned to ADVANTEST CORP (13)· patent assignee history
1998–2021Based in Tokyo, JP· patent location history
1998Based in Meiwa-mura, JP· patent location history
2014Patents assigned to HAMA HIROYUKI (3)· patent assignee history
2014Patents assigned to MIZUMURA AKINORI (3)· patent assignee history
2014–2019Based in Chiyoda-ku, JP· patent location history
2019–2021Patents assigned to TOMY CO LTD (23)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOMY CO LTD | 23 | 2019–2021 |
| MITSUBISHI ELECTRIC CORP | 14 | 1988–2019 |
| ADVANTEST CORP | 13 | 1998–2014 |
| HAMA HIROYUKIself | 3 | 2014 |
| MIZUMURA AKINORI | 3 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 43 | 1998–2021 |
| Amagasaki, JP | 4 | 1988–1989 |
| Chiyoda-ku, JP | 2 | 2014–2019 |
| Meiwa-mura, JP | 2 | 1998 |
| Higashimurayama, JP | 1 | 1979 |