# Eric R. Johnson

> Eric R. Johnson is a funding round investor at JSR backing Computer and Quantum Computing. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [JSR](https://shizune.co/investors/profile/jsr-corp)
- Location: San Francisco Bay Area, United States
- Total investments: 4
- Last investment: Dec 2020
- Lead investor: 75%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/eric-johnson-017a492/

Eric R. Johnson is a funding round investor at JSR in San Francisco Bay Area focused on Computer and Quantum Computing. Eric R. Johnson is the CEO of JSR Corporation.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Computer | 1 | 25% |
| Quantum Computing | 1 | 25% |
| Enterprise Software | 1 | 25% |
| Artificial Intelligence | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Cambridge Quantum Computing | CQCL develops tools for the commercialisation of quantum computers by understanding quantum protocols and also quantum algorithms. In the coming period as quantum devices become more prevalent, the focus of CQCL's activity is the development of algorithms and source code. | $45M |  | Dec 08, 2020 |  |
| Cambridge Quantum Computing | CQCL develops tools for the commercialisation of quantum computers by understanding quantum protocols and also quantum algorithms. In the coming period as quantum devices become more prevalent, the focus of CQCL's activity is the development of algorithms and source code. | $4M |  | Jun 15, 2019 |  |
| Cambridge Quantum Computing | CQCL develops tools for the commercialisation of quantum computers by understanding quantum protocols and also quantum algorithms. In the coming period as quantum devices become more prevalent, the focus of CQCL's activity is the development of algorithms and source code. | $10M |  | Jul 20, 2018 |  |
| Cambridge Quantum Computing | CQCL develops tools for the commercialisation of quantum computers by understanding quantum protocols and also quantum algorithms. In the coming period as quantum devices become more prevalent, the focus of CQCL's activity is the development of algorithms and source code. | $10M |  | Jul 20, 2018 |  |

4 of 4 investments shown.

## Co-investors
- [Alvarium](https://shizune.co/investors/profile/alvarium) — VC Fund, 1 deal together
- [Honeywell Ventures](https://shizune.co/investors/profile/honeywell-venture-capital) — VC Fund, 1 deal together
- [IBM Ventures](https://shizune.co/investors/profile/ibm-ventures) — VC Fund, 1 deal together
- [Serendipity Capital](https://shizune.co/investors/profile/serendipity-capital) — VC Fund, 1 deal together

## About JSR

VC Fund · Tokyo, Japan

JSR Corporation, together with its subsidiaries, is engaged in petrochemical products, fine chemicals, and other products businesses primarily in Japan, South Korea, China, Taiwan, Thailand, the United States, and Belgium. The company operates in three segments: elastomers, plastics, and fine chemicals, and other products. It offers elastomersproducts, such as synthetic rubbers comprising styrene-butadiene rubber, polybutadiene rubber, ethylene propylene rubber, etc.; thermoplastic elastomers and compounded products; and emulsions, including paper coating latex, styrene-butadiene latex, and acrylic emulsions. The company also offers performance chemicals, such as organic/inorganic hybrid coating materials, high-functional dispersants, industrial particles, thermal control materials, binder materials for lithium-ion batteries, etc.; other products comprising butadiene monomers, etc.; and plastics products, including ABS, AES, AS, and ASA resins. In addition, it develops and supplies semiconductor materials, which include lithography materials, such as photoresists and multilayer materials, as well as CMP materials, packaging materials, etc. Further, the company provides display materials for LCD panels, anti-reflective coatings, other functional coating materials, etc.; and optical materials, including heat-resistant transparent resin and films, UV curing optical fiber coating materials, stereo-lithography systems, etc. Additionally, it offers life sciences products, such as in-vitro diagnostics, reagents and bioprocess materials, and medical polymers, as well as lithium-ion capacitors for electricity storage. The company was formerly known as Japan Synthetic Rubber Co., Ltd. JSR Corporation was founded in 1957 and is headquartered in Tokyo, Japan.

3 contacts available at JSR.

| Name | Title | Profile |
| --- | --- | --- |
| Eric R. Johnson | CEO | https://shizune.co/investors/profile/eric-r-johnson-9897 |
| Hash Pakbaz | Chief of Digital Products and Operations | https://shizune.co/investors/profile/hash-pakbaz |
| Mitsunobu Koshiba | President | https://shizune.co/investors/profile/mitsunobu-koshiba |

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### Similar stage
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## FAQ

### What does Eric R. Johnson invest in?

Eric R. Johnson invests primarily in Computer, Quantum Computing and Enterprise Software startups, most often at Funding Round stage. Most of the 4 investments tracked by Shizune back companies in United Kingdom. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Eric R. Johnson last invest?

The most recent investment recorded for Eric R. Johnson closed in Dec 2020. Shizune tracks 4 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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