Assignee
HAKUSAN INC
JP·10 granted patents·9 pending applications·0 citations·filing 2015–2023
Top patents by PatentIndex Score
19 records- 0159US12535640B2Optical fiber termination structure, optical connection component and hollow-core optical fiberHAKUSAN INC·Filed 2021·Granted Jan 27, 2026·0 cites·19 claims
- 0258US11502235B2Thermoelectric material and thermoelectric moduleHAKUSAN INC·Filed 2018·Granted Nov 15, 2022·0 cites·9 claims
- 0342US2024385386A1Optical connector and plugHAKUSAN INC·Filed 2022·Application pending·0 cites
- 0441US2025035860A1Ferrule, optical connector, and method for manufacturing optical connectorHAKUSAN INC·Filed 2022·Application pending·0 cites
- 0540US2025231351A1Dust cap for ferrule and optical connectorHAKUSAN INC·Filed 2022·Application pending·0 cites
- 0639US2024385389A1Multi-fiber optical ferrule, multi-fiber optical connector, and production method for multi-fiber optical ferruleHAKUSAN INC·Filed 2022·Application pending·0 cites
- 0739US2024272377A1Multi-fiber optical connector ferrule and optical moduleHAKUSAN INC·Filed 2022·Application pending·0 cites
- 0837US2025028126A1Ferrule, optical connector, and method for manufacturing ferruleHAKUSAN INC·Filed 2022·Application pending·0 cites
- 0937US2024176083A1Optical connector, optical connector connecting structure, and optical packaging circuitHAKUSAN INC·Filed 2022·Application pending·0 cites
- 1036US2024255710A1Optical fiber assembly, plate, and optical moduleHAKUSAN INC·Filed 2022·Application pending·0 cites
- 1131US2018083177A1Thermoelectric material, manufacturing method of thermoelectric material, and thermoelectric converterHAKUSAN INC·Filed 2015·Application pending·0 cites
- 1223USD1117080SOptical fiber connectorHAKUSAN INC·Filed 2023·Granted Mar 10, 2026·0 cites·1 claims
- 1323USD1115707SOptical fiber connectorHAKUSAN INC·Filed 2023·Granted Mar 3, 2026·0 cites·1 claims
- 1423USD1102390SOptical fiber connectorHAKUSAN INC·Filed 2023·Granted Nov 18, 2025·0 cites·1 claims
- 1523USD1102389SOptical connectorHAKUSAN INC·Filed 2023·Granted Nov 18, 2025·0 cites·1 claims
- 1622USD1109702SClip for optical fiber connectorsHAKUSAN INC·Filed 2023·Granted Jan 20, 2026·0 cites·1 claims
- 1719USD1113752SFerrule for optical fiber connectorsHAKUSAN INC·Filed 2023·Granted Feb 17, 2026·0 cites·1 claims
- 1817USD1113753SFerrule holder for optical fiber connectorsHAKUSAN INC·Filed 2023·Granted Feb 17, 2026·0 cites·1 claims
- 1917USD1113754SFerrule holder for optical fiber connectorsHAKUSAN INC·Filed 2023·Granted Feb 17, 2026·0 cites·1 claims
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