Fumihide Esaka

Chief Executive Officer at AMBIQ MICRO, INC.

Net worth: 27 M $ as of 2026-08-30

62 year

Electronic Technology

Consumer Services

Profile

Fumihide Esaka is Chief Executive Officer & Director at Ambiq Micro, Inc. since 2025.
Formerly, Mr. Esaka was Chief Executive Officer at Transphorm Technology, Inc. from 2013 to 2015, President & Representative Director at Nihon Inter Electronics Corp.
from 2011 to 2013, and Vice President-Japan Sales at International Rectifier Corp.
Education includes undergraduate studies at the University of California San Diego.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
AMBIQ MICRO, INC. 1.9%	2026-09-14	460,460 ( 1.9% )	27 M $	2026-08-30

Fumihide Esaka active positions

Companies	Position	Start
AMBIQ MICRO, INC.	Chief Executive Officer	2015-11-30

All active positions of Fumihide Esaka

Former positions of Fumihide Esaka

Companies	Position	End
Transphorm Technology, Inc. Transphorm Technology, Inc. SemiconductorsElectronic Technology Provides power conversion modules	Chief Executive Officer	2015-10-31
INTERNATIONAL RECTIFIER CORPORATION	Sales & Marketing	-
NIHON INTER ELECTRONICS CORP	Chief Executive Officer	-

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Linked companies

Private companies	5
International Rectifier Corp. International Rectifier Corp. SemiconductorsElectronic Technology Designs, manufactures and markets power management semiconductors	Electronic Technology
Transphorm Technology, Inc. Transphorm Technology, Inc. SemiconductorsElectronic Technology Provides power conversion modules	Electronic Technology
Nihon Inter Electronics Corp. Nihon Inter Electronics Corp. SemiconductorsElectronic Technology Engages in the manufacture and sale of semiconductor products and electronic components	Electronic Technology
University of California San Diego University of California San Diego Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Ambiq Micro, Inc. Ambiq Micro, Inc. SemiconductorsElectronic Technology Manufactures semiconductors	Electronic Technology