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Inventor

HASUNUMA TAKASHI

JP13 patents
⚠️ This page may combine multiple inventors who share the name “HASUNUMA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TYCO ELECTRONICS RAYCHEM KK

4 patents
US6713210B1Mar 30, 2004

Secondary cell protection circuit device and secondary cell assembly

TYCO ELECTRONICS RAYCHEM KK21 citations91
US6356051B1Mar 12, 2002

Battery pack and PTC element incorporated in the battery pack

TYCO ELECTRONICS RAYCHEM KK21 citations89
US6542066B1Apr 1, 2003

Electric assembly and device

TYCO ELECTRONICS RAYCHEM KK7 citations69
US6862164B2Mar 1, 2005

Circuit protection arrangement

TYCO ELECTRONICS RAYCHEM KK3 citations61

HASUNUMA TAKASHI

2 patents
US8174811B2May 8, 2012

Overheat protection device and electrical system having same

HASUNUMA TAKASHI10 citations81
US8098067B2Jan 17, 2012

Magnetic sensor element and magnetic sensor using the same

HASUNUMA TAKASHI1 citations48

POLYTRONICS TECHNOLOGY CORP

2 patents
US11594877B2Feb 28, 2023

Over-current protection device

POLYTRONICS TECHNOLOGY CORP0 citations60
US12573528B2Mar 10, 2026

Over-current protection device

POLYTRONICS TECHNOLOGY CORP0 citations49

FUJIKURA LTD

2 patents
US12107379B2Oct 1, 2024

Laser device

FUJIKURA LTD0 citations57
US12438332B2Oct 7, 2025

Laser device

FUJIKURA LTD0 citations47

RAYCHEM KK

1 patent
US6114942ASep 5, 2000

PTC device and battery pack using the same

RAYCHEM KK108 citations92

(unassigned)

1 patent
US6538415B1Mar 25, 2003

Temperature sensing device for a battery

11 citations70

LITTELFUSE JAPAN G K

1 patent
US9923362B2Mar 20, 2018

Protective device

LITTELFUSE JAPAN G K4 citations69