Established in 2020, CoeFont Co., Ltd., registered at the Institute of Science Tokyo, develops and provides AI-based services. The company is currently focused on AI-based speech synthesis and is developing an ethical and inclusive AI voice platform. CoeFont ( https://CoeFont.cloud ), is available in all countries and regions.
Our Mission
Pioneering the future with innovative technology
Shogo Hayakawa
Co-Founder & CEO
Born in Tokyo in 2001. Grew up in the UK during childhood. Studied computer science, especially machine learning, through Stanford University lectures while in high school, and started working as a sole proprietor. Founded CoeFont Co., Ltd. (formerly Yellston) in 2020. Currently enrolled in the Department of Computer Science at Tokyo Institute of Technology. Masayoshi Son Foundation member.
Takahiro Ishii
Board Member
Born on June 5, 1985 in Tokyo. Graduated from Keio University. At 12, he was selected for the "Shuzo Challenge" tennis camp and received intensive training alongside Kei Nishikori. Competed as a tennis player worldwide during his student years. Joined TBS in 2010, primarily working in sports and news programming.
Board Member Mamoru Watanabe
Board Member Yusuke Komatsu
Auditor Yoshitaka Takada
Naoki Takahashi
President / Co-Founder
Born in February 2002, from Kanagawa Prefecture. Graduated from Tokyo Tech High School of Science and Technology in the Electrical and Electronic Engineering field, then enrolled in the Department of Mathematics, School of Fundamental Science and Engineering at Waseda University. Co-founded CoeFont in 2020. Recognized as a Super Creator in the 2024 METI "Exploratory IT Human Resources Project".
Shunsuke Shoji
VP of Product
Started his career as an Android engineer at 16, expanding into UI/UX and management. At 18, co-developed the AI hairstyle diagnosis app "AI STYLIST", achieving 1 million cumulative downloads. Currently working on realizing a universal AI voice platform utilizing AI voice technology.
Nakayori Inoue
Vice President of Research / Associate Professor, Tokyo Institute of Technology
Early graduation from Tokyo Institute of Technology, Department of Computer Science in 2009. Completed doctoral program in Computational Engineering at the same graduate school in 2014, Ph.D. (Engineering). Assistant professor at the same university from 2014, established research lab as PI from 2019, associate professor from 2021. Engaged in research on AI applications, especially semantic understanding of images and speech. International awards include NIST TRECVID Semantic Indexing Best Performer (2011, 2012), ACCV Best Paper Honorable Mention (2020).
Takuya Fujimaki
VP of Enterprise
Has extensive experience in sales, having worked at Hitachi Systems, Oracle Japan, SoftBank, PKSHA, Japan Computer Vision, and HEROZ. Strong in B2B sales, supporting corporate growth across diverse industries.
Kinya Yoshikawa
Advisor
Co-founded IP Infusion Inc (San Jose, California) in September 1999 and sold it to ACCESS for $50M in 2006. Subsequently worked at Miselu and Golden Whales before becoming Founder and CEO of Republi9 Inc.
