About Net One Systems USA

Net One Systems USA, Inc. ("Net One US") is based in Silicon Valley and assists startups with expanding into Japan.  It is a wholly-owned subsidiary of Net One Systems Co, Ltd. ("Net One"), which is the biggest system integrator in Japan, and incorporated as a California corporation on March 1, 1995, and is primarily engaged in the following business: 

  1. Conduct research and investigation, and act as liaison, on behalf of Net One, on new business opportunities for Net One in U.S. data networking technology start-up companies. 
  2. Invest in new early stage data networking start-up companies.  

Since its formation, Net One US has acted as business liaison for Net One in consummating distributorship relationship with numerous companies in the U.S.  Throughout the years, Net One US has been instrumental, acting as business liaison, in Net One entering into the agreements for distribution in Japan of their products with the companies located in California.  Net One US is currently working on possible distributorships such as numerous new emerging Cloud, SDN, Security, Collaboration and BigData related technology companies. 

Established 1995
Corporate Name  Net One Systems USA, Inc.
Capital $1.556 million
CEO Sean Okamoto
Headquaters 10050 N Wolfe Road Suite SW1-160 Cupertino, CA 95014 U.S.A.

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Our Team

Our team members have a distinguishable characteristic and our cooperative perspective enables our culture to be better, and it allows us make a positive impact on ourselves and stakeholders.

Sean Okamoto is a group leader of Net One USA with a strong professional background in IT industry working globally.  Before joining Net One USA, he worked for Cisco Systems Japan for 20 years, primarily as a Regional Manager in Partner Sales.  He believes in the importance of human senses in the age of AI.  He stresses in the importance of connecting technology, data, and culture in diverse point of views for effective alignments with market and corporate goals.  He loves to walk with dog and eating healthy.  His favorite is Japanese "soba."

Shige Yoshida is an experienced IT professional with over 20 years of experiences in Enterprise Sales and Strategy.  He has a deep competency in customer relationship   with strong leadership in security and service development.  He has taken a lead in launching Net One's Security Operation Center.  In the free time, he loves trail running and cooking.


Mark Inoue is a Cloud Native Architect in charge of business development with 20 years of service provider and enterprise network engineering experience.  He has led major projects working with 4G LTE network for Service Provider and Big data analysis for enterprises.  He was a chairman in Telemetry Workgroup in JANOG (JApan Network Operators Group)  technical communities. He loves nature and his family, often goes to national parks with his wife and daughter.

Thor Miyashita is an IT professional with more than 15 years of experience, specializing in business development and management for Net One Systems. He has a comprehensive knowledge about varied technical IT skills: developing various IT solutions and providing suitable IT strategies. In particular, cloud computing and cybersecurity are his strong suit. These strengths lead to an influential IT architect and manager. He is addicted to be on a diet especially eating healthy food, because of  keeping fit. That enables him to be only 3 % of body fat percentage.


Lara Sakata has over 14 years of experience in the data networking industry, five of which are in managerial positions focused on selling technology developed by US developers. She led the team through members of an automation project between departments. She is a Cisco Certified Expert in Enterprise Infrastructure and a Cisco Certified Service Provider Expert.
She is good at illustration. She created the character for Net One Systems.