Who invested in InPhase Technologies

3 rounds we have observed, with the 10 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Hardware & Electronics

Funding summaryUpdated 26 Oct 2026

$67Mraised across 3 rounds since 2002, from 3 sources

$15MSeries B$32MSeries C$20MSeries D

Latest round: Series D, $20MJan 2008
Biggest round: $32MSeries C · May 2005
Investors: 10

See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

200320042005200620072008

$15MSeries B$32MSeries C$20MSeries D

First round: Series B, $15M
Biggest round: $32M
Usual gap between rounds: 2.7 years

The rounds

Jan 2008
Series D$20M4 returning
Reported by byteandswitch.com
May 2005
Series C$32M3 new4 returning
Reported by businesswire.com
Dec 2002
Series B$15M7 new
From a historical funding record

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Series B2002Series C2005Series D2008

New Venture PartnersHitachi Maxell

Japan Asia InvestmentALPS Information Technology Fund

Signal LakeBayer MaterialScience

Yasuda Enteprise Development Co. LtdYasuda Enterprise DevelopmentNewton Technology PartnersNanotech Partners

Everyone who backed them

New Venture PartnersVC firm3rounds

Hitachi MaxellCorporate VC3rounds

Japan Asia InvestmentVC firm2rounds

ALPS Information Technology FundVC firm2rounds

Signal LakeGrowth equity2rounds

Bayer MaterialScienceGrowth equity2rounds

Yasuda Enteprise Development Co. LtdGrowth equity1round

Yasuda Enterprise DevelopmentVC firm1round

Newton Technology PartnersInvestment firm1round

Nanotech PartnersVC firm1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about InPhase Technologies

Who invested in InPhase Technologies?

InPhase Technologies's investors include New Venture Partners, Hitachi Maxell, Japan Asia Investment, ALPS Information Technology Fund and Signal Lake, and 5 more on record.

How much has InPhase Technologies raised?

InPhase Technologies has raised $67M across 3 rounds since 2002.

When did InPhase Technologies last raise?

InPhase Technologies's most recent round was a Series D of $20M in Jan 2008.

What was InPhase Technologies's biggest round?

InPhase Technologies's largest round on record is $32M (Series C), in May 2005.

Who backed InPhase Technologies first?

InPhase Technologies's first round on record, in Dec 2002, was backed by New Venture Partners, Japan Asia Investment and Yasuda Enterprise Development and 4 others.