About Us

Time Machine Underwriters is the first Managing General Agency (MGA) specialized in Warranty & Indemnity insurance in Japan.

Team

KOSUKE
INADA

稲田行祐

Kosuke Inada

CEO/CUO / Attonery at Law

Kosuke Inada is the founder and CEO/CUO of Time Machine Underwriters. Kosuke previously worked at Rakuten General Insurance as a senior executive officer in charge of CEO office and a chief underwriter of Warranty & Indemnity insurance, as well as Rakuten Insurance Holdings as an executive officer in charge of M&A. Prior to those positions, Kosuke was a partner at Chuo Sogo Law Office, where he advised clients on a wide range of corporate matters, including insurance, reinsurance, litigation and M&A. Kosuke also has experience in working as a deputy director at Insurance Dept of the Financial Services Agency of the Japanese Government. Kosuke holds a B.Ec from Waseda University and a LL.M from University of Southern California Gould School of Law. Kosuke wrote many books including “Practice of W&I Insurance” which is the first book on W&I insurance in Japan.

SYUJI
OHIRA

大平修司

Shuji Ohira

Underwriter / Attorney at Law

Shuji Ohira is an underwriter of Time Machine Underwriters. Shuji previously worked at Tokyo Broadcasting System Television (TBS) in charge of legal and IP matters. Prior to that position, Shuji was an attorney at Chuo Sogo Law Office, where he advised clients on a wide range of corporate matters, including insurance, IP, litigation and M&A. Shuji holds a LL.B from Osaka City University and a J.D from Osaka University Law School.

KOTA
SORIMACHI

反町公太

Kota Sorimachi

Underwriter / Certified Public Accountant

Kota Sorimachi is an underwriter of Time Machine Underwriters. Kota previously worked at Ernst & Young (EY), where he advised clients on a wide range of corporate accounting matters. Prior to that position, Kota worked at Mitsubishi Corporation and Frontier Management as a M&A and business turnaround adviser. Kota holds a B.Ec from University of Tokyo.

TOSHIFUMI
KAJIWARA

梶原俊史

Toshifumi Kajiwara

Underwriter/ Attorney at Law (admitted in Japan and New York)

Toshifumi Kajiwara is an underwriter of Time Machine Underwriters. Toshifumi previously worked at LINE Corporation as the head of legal & compliance department and the data protection officer as well as LINE Healthcare Corporation as a director. Prior to those positions, Toshifumi was an attorney at Clifford Chance Law Office, where he advised clients on a wide range of corporate matters, including M&A, capital markets, banking and derivative transactions, financial regulatory advice and litigation. Toshifumi holds a LL.B from Kyoto University, a J.D from Kyoto University Law School and a LL.M from University of Southern California Gould School of Law.

COMPANY INFORMATION

  • Company Name

    Time Machine Underwriters Inc.

  • Address

    THE MODULE roppongi 312, Roppongi 7-21-24, Minato-ku, Tokyo 106-0032 (Access Map

  • Representative Director

    Kosuke Inada

  • Business
    History

    We provide underwriting services on behalf of Mitsui Sumitomo Insurance Company as a MGA since 2021. Prior to that, we provided consulting services on product development and underwriting of Warranty & Indemnity insurance for Tokio Marine & Nichido Fire Insurance, Mitsui Sumitomo Insurance and Sompo Japan Insurance since our foundation in 2019.