1923 Shinzo Ohshiro registers as a lawyer
1924 Shinzo Ohshiro establishes Ohshiro Law Office in Harima-cho, Kobe
1954 Masaru Ohshiro enters Ohshiro Law Office
1960 Office relocates to Higashimachi Building, Chuo-ku, Kobe
1990 Yoshihiro Uetani promoted to partner
1993 Office renamed as “Higashimachi Law Office”
Masaru Ohshiro is appointed as a Supreme Court Judge
Takao Kinoshita and Satoru Kohdera promoted to partner
1995 Office relocates to Kobe MK building, Chuo-ku, Kobe, after old premises were destroyed in the Great Hanshin earthquake
1999 Office relocates to present location in Create Kobe Building, Chuo-ku, Kobe
2003 10th anniversary commemoration of renaming to Higashimachi Law Office
2010 Higashimachi LPC (corporation) established, Tokyo and Imabari offices opened
2016 Higashimachi Business Consulting (Shanghai) Ltd. established
2020 Osaka office opened
Japan Shipping Exchange
Kobe CHamber of Commerce and Industry
Fair Trade Institute
Japanese Institute of International Business Law
Japan Commercial Arbitration Association
Japan – China Economic Relations and Trade Centre (JCCNET)
Association for the Promotion of International Trade, Japan (JAPIT)
Australia and New Zealand Chamber of Commerce in Japan
Business Innovation Support Agency
Matching coordinator with the Hyogo Prefecture Business Succession Support Centre