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Akitomo Naoi, Senior Associate at Spiral Capital

Akitomo Naoi

Senior Associate @ Spiral Capital

Tokyo, Japan

Akitomo Naoi is a Senior Associate at Spiral Capital.

Total investments:
8
Last investment:
Lead investor:
38%

Last updated:

Industries Akitomo Naoi invests in

EnergyManufacturingAppsNewsContent

Stages Akitomo Naoi invests in

Series ASeedSeries B

Countries Akitomo Naoi invests in

Japan

Contacts

TypeContactValidation
Work email
Personal email
Work phone
Personal phone
Socials

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Investment Focus

Industry

  • Energy 2 (25%)
  • Manufacturing 2 (25%)
  • Apps 1 (13%)
  • News 1 (13%)
  • Content 1 (13%)
See all 19 industries →

Stage

  • Series A 4 (50%)
  • Seed 2 (25%)
  • Series B 1 (13%)

Investments

CompanyDescriptionRoundLinks
AZUL Energy is a next-generation energy device that improves air battery performance, develops air battery-related products, and proposes eco-friendly and comfortable new lifestyles. They discovered that a catalyst electrode containing one of these pigments performed better than platinum carbon or existing catalyst electrode materials. Series A / Jul 30, 2026
Turing develops and manufactures fully autonomous vehicles. $62.9M / Series A / Nov 17, 2025
Miresso is a startup firm that offers nuclear fusion power generation services through natural resources. $28.8M / Series A / Aug 07, 2025
StoryHub is a powerful all-in-one AI editing assistant designed to help users create high-quality content quickly, efficiently, and at a significantly lower cost. Whether you're drafting blog posts, polishing articles, scripting videos, or refining marketing copy, StoryHub streamlines the entire content creation process with intelligent tools $1.5M / Series A / Jul 24, 2025
Enerbank is a development and operation of the electric power auction system. They enable the acquisition of electric power and renewable energy through the use of digital solutions for enterprises and municipal governments, with a focus on the Eneoku electric power auction industry. Eneoku is the industry's first auction system that allowscustomers to locate the lowest contract in a bidding format from different electric power companies. $3.9M / Series B / Dec 02, 2024
Turing develops and manufactures fully autonomous vehicles. $9.3M / Seed / Jul 01, 2024
Planet Savers is situated in Tokyo. The company is developing a direct air capture system that uses DAC technology to remove carbon dioxide from the atmosphere. The company's system directly absorbs and collects carbon dioxide from the atmosphere in order to mitigate climate change by attaining net zero carbon dioxide emissions. This allowsclients to lower the entire quantity of carbon dioxide that cannot be reduced through energy conservation or emissions reduction. $1.6M / Seed / Apr 30, 2024
AZUL Energy is a next-generation energy device that improves air battery performance, develops air battery-related products, and proposes eco-friendly and comfortable new lifestyles. They discovered that a catalyst electrode containing one of these pigments performed better than platinum carbon or existing catalyst electrode materials. $2.2M / Series A / Oct 25, 2023

Co-Investors

Spiral Capital

About Spiral Capital

VC Fund · Tokyo, Japan

Spiral Capital is a venture capital fund.

Spiral Capital Contacts

NameEmailPhoneSocials
Akitomo Naoi
Akitomo Naoi Senior Associate
Hiroshi Oka
Hiroshi Oka Representative Partner
Shuzo Ueki
Shuzo Ueki Associate

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FAQ

What does Akitomo Naoi invest in?

Akitomo Naoi invests primarily in Energy, Manufacturing and Apps startups, most often at Series A and Seed stage. Most of the 8 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

How do I contact Akitomo Naoi?

Public channels for Akitomo Naoi include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

When did Akitomo Naoi last invest?

The most recent investment recorded for Akitomo Naoi closed in Jul 2026. Shizune tracks 8 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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