# Hiroshi Kajiwara

> Hiroshi Kajiwara is a Series A investor at ITOCHU Corporation backing Medical and Health Care. See 3 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [ITOCHU Corporation](https://shizune.co/investors/profile/itochu-corporation)
- Total investments: 3
- Last investment: Dec 2022
- Lead investor: 33%
- Last updated: Aug 2026

Hiroshi Kajiwara is a Series A investor at ITOCHU Corporation focused on Medical and Health Care. Hiroshi Kajiwara is the chief operation officer of the ICT Division at ITOCHU.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Medical | 2 | 67% |
| Health Care | 2 | 67% |
| Computer | 1 | 33% |
| Hospital | 1 | 33% |
| Software | 1 | 33% |

8 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 1 | 33% |
| Series B | 1 | 33% |
| Series C | 1 | 33% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Japan | 1 | 33% |
| Singapore | 1 | 33% |
| United States | 1 | 33% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Simplex Quantum | Simplex Quantum conducts research and development of AI-based solutions in the healthcare field and operates the SQ-bar service.It also offers the Shinden-kun, a portable device that can analyze the measured electrocardiographic information with AI and detect heartbeat turbulence.It was established on October 3, 2014 and headquartered inTakanawa, Minato-ku. | $4M | Series A | Dec 05, 2022 |  |
| Docquity | A Private & Secure, Continual learning network, exclusively for doctors. | $44M | Series C | Sep 05, 2022 |  |
| Zapata Quantum | Zapata Computing is a quantum software company that offers computing solutions for industrial and commercial use. It provides hardware-agnostic solutions for simulation, optimization, and machine learning applications in chemistry, finance, logistics, pharmaceuticals, engineering, and materials.Zapata Computing is a spun out of Harvard Universitylaunched by a group of Harvard scientists, including Alán Aspuru-Guzik.The company was founded in 2017 and is headquartered in Boston, Massachusetts. | $38M | Series B | Nov 19, 2020 |  |

3 of 3 investments shown.

## Co-investors
- [Ahren Innovation Capital](https://shizune.co/investors/profile/ahren-innovation-capital) — VC Fund, 1 deal together
- [Alkemi Venture Partners](https://shizune.co/investors/profile/alkemi-venture-partners) — VC Fund, 1 deal together
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund, 1 deal together
- [BASF Venture Capital](https://shizune.co/investors/profile/basf-venture-capital) — VC Fund, 1 deal together
- [Comcast Ventures](https://shizune.co/investors/profile/comcast-interactive-capital) — VC Fund, 1 deal together
- [Global Brain Corporation](https://shizune.co/investors/profile/global-brain-corporation) — VC Fund, 1 deal together

## About ITOCHU Corporation

VC Fund · Tokyo, Japan

The history of ITOCHU Corporation (hereinafter "ITOCHU") dates back to 1858 when the Company's founder Chubei Itoh commenced linen trading operations. Since then, ITOCHU has evolved and grown over 150 years into a sogo shosha, engaging in domestic trading, import/export, and overseas trading of various products such as textiles,machinery, information and communications-related products, metals, products related to oil and other energy sources, general merchandise, chemicals, and provisions and food. In addition, ITOCHU has made multifaceted investments in insurance agencies, finance, construction, real estate trading, and warehousing as well as operations and businesses incidental or related to those fields.

5 contacts available at ITOCHU Corporation.

| Name | Title | Profile |
| --- | --- | --- |
| Hiroshi Kajiwara | Chief Operation Officer | https://shizune.co/investors/profile/hiroshi-kajiwara-14d9 |
| Junichi Sasaki | President & CEO | https://shizune.co/investors/profile/junichi-sasaki |
| Atsushi kuromi | General Manager | https://shizune.co/investors/profile/atsushi-kuromi |
| Hideo Nakanishi | Head of Fashion Apparel Division | https://shizune.co/investors/profile/hideo-nakanishi |
| Isao Kubo | Executive Officer | https://shizune.co/investors/profile/isao-kubo |

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- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

## FAQ

### What does Hiroshi Kajiwara invest in?

Hiroshi Kajiwara invests primarily in Medical, Health Care and Computer startups, most often at Series A and Series B stage. Most of the 3 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Hiroshi Kajiwara last invest?

The most recent investment recorded for Hiroshi Kajiwara closed in Dec 2022. Shizune tracks 3 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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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