Mizuho Capital

Established in 2002 through the merger of three subsidiaries, Mizuho Capital is a Tokyo-based venture capital firm affiliated with Mizuho Bank. With approximately ¥50 billion JPY under management, it focuses on investments in information technology and biotechnology sectors.

Shinichiro Hisaya

Investment Manager

Shinichiro Kuge

Investment Manager

Rikizo Kurosaki

General Manager

Omachi Yusuke

President and CEO

Hajime Saito

President

Hiroshi Yamamoto

Managing Director

Past deals in Wireless

Aeterlink

Series B in 2025
Aeterlink is a developer of innovative wireless power transfer technology aimed at creating a digital landscape devoid of wires. The company specializes in applying its advanced technology across various sectors, including factory automation, robotics, smart homes, and healthcare. By enabling wireless power transmission over distances, Aeterlink's solutions enhance efficiency and sustainability while improving safety by eliminating the hazards associated with traditional wiring. Their practical level technologies facilitate greater flexibility in device placement and operation, contributing to a more connected and streamlined environment across multiple industries.

Aeterlink

Series B in 2024
Aeterlink is a developer of innovative wireless power transfer technology aimed at creating a digital landscape devoid of wires. The company specializes in applying its advanced technology across various sectors, including factory automation, robotics, smart homes, and healthcare. By enabling wireless power transmission over distances, Aeterlink's solutions enhance efficiency and sustainability while improving safety by eliminating the hazards associated with traditional wiring. Their practical level technologies facilitate greater flexibility in device placement and operation, contributing to a more connected and streamlined environment across multiple industries.

JiMED

Venture Round in 2021
JiMED develops a wireless embedded Brain-Computer Interface (BCI) system designed to read brain activity. The company offers an implantable device that uses artificial intelligence to interpret brain signals, enabling individuals with conditions like ALS to enhance communication and improve quality of life.

WAmazing

Debt Financing in 2020
WAmazing is a Tokyo-based travel technology company that serves foreign visitors to Japan by combining mobile connectivity, content, and booking services. The company provides free SIM cards to allow travelers to register before arrival and offers an app with up to 500MB of complimentary internet access, reducing barriers created by Japanese signup pages. It also operates an online travel booking platform with a multilingual tourist guide, delivering reservations information and tourism content through smartphones. WAmazing supports local governments and tourism associations with tourism consulting and inbound marketing services for domestic partners, helping them reach inbound visitors. Founded in 2016, WAmazing integrates mobility, information, and reservations to simplify travel in Japan.

WAmazing

Venture Round in 2017
WAmazing is a Tokyo-based travel technology company that serves foreign visitors to Japan by combining mobile connectivity, content, and booking services. The company provides free SIM cards to allow travelers to register before arrival and offers an app with up to 500MB of complimentary internet access, reducing barriers created by Japanese signup pages. It also operates an online travel booking platform with a multilingual tourist guide, delivering reservations information and tourism content through smartphones. WAmazing supports local governments and tourism associations with tourism consulting and inbound marketing services for domestic partners, helping them reach inbound visitors. Founded in 2016, WAmazing integrates mobility, information, and reservations to simplify travel in Japan.

Novars

Series A in 2016
Novars is an electronic company based in Japan, established on April 24, 2015. The company specializes in the development and sales of MaBeee, a battery type Internet of Things product. Novars focuses on creating connected batteries that facilitate digital transformation across various industries. These batteries can be integrated into dry cell-powered devices, allowing for wireless communication and connectivity through cloud infrastructure. This innovation enables clients to remotely control their products using mobile devices via Bluetooth, enhancing functionality and user experience.

Jtower

Venture Round in 2014
JTOWER Inc. is a telecommunications infrastructure company based in Tokyo, Japan, specializing in infrastructure sharing services. Founded in 2012, the company focuses on the design and construction of information communication infrastructure, as well as the development of communication-related solutions. JTOWER provides a range of services that include in-building infrastructure sharing, cloud-managed Wi-Fi, outdoor tower sharing, and local 5G services, catering primarily to landlords and mobile network operators. Additionally, it offers site locator systems to facilitate the deployment of mobile infrastructure. As a subsidiary of Nippon Telegraph and Telephone Corporation, JTOWER plays a vital role in enhancing telecommunications infrastructure across Japan.

GCT Semiconductor

Series C in 2002
GCT Semiconductor designs, develops, and markets integrated circuits for the wireless semiconductor industry. It specializes in system-on-a-chip solutions that combine radio frequency, baseband modem, and digital signal processing functions onto a single die, serving various applications such as smartphones, routers, and embedded modules. The company focuses on 4G LTE and 5G technologies, aiming to reduce component cost, lower power consumption, and minimize footprint.
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