Ryosuke Kosaka

Ryosuke Kosaka: Email & Phone Number

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Senior Design Engineer at Apple|Tokyo, Tokyo, Japan

Position:

Senior Design Engineer at Apple

Location:

Tokyo, Tokyo, Japan

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Last updated: 2026-06-03
Updated: 2026-06-03

Found email addresses for Ryosuke Kosaka:

Business emails:
r************a@apple.com

Found phone for Ryosuke Kosaka:

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Work Experience 28 years

Senior Design Engineer at Apple

Nov 2014 - Current

Senior Engineer at Synaptics Incorporated

Oct 2014 - Oct 2014

Senior Design Engineer at Renesas SP Drivers Inc.

Apr 2011 - Sep 2014

Senior Design Engineer at Renesas Electronics

Apr 2010 - Sep 2014

Design Engineer at NEC Electronics

Nov 2002 - Mar 2010

Design Engineer at NEC Corporation

Apr 1998 - Oct 2002

Ryosuke Kosaka started working in 1998, then the employee has changed 5 companies and 2 jobs. On average, Ryosuke Kosaka works for one company for 5 years 3 months.

Their professional focus is RTL設計, SVA, and SystemVerilog across 3 core areas.

Education

Master of Technology (M.Tech.) at Kyushu Institute of Technology

Frequently Asked Questions

What is Ryosuke Kosaka's email address?

SignalHire found a verified business email address for Ryosuke Kosaka: r*****a@apple.com, r************a@apple.com.

What is Ryosuke Kosaka's phone number?

SignalHire found a verified phone number for Ryosuke Kosaka: +81-***-***-0386.

How do I contact Ryosuke Kosaka at Apple?

You can reach Ryosuke Kosaka through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Ryosuke Kosaka's professional background?

Ryosuke Kosaka has 28 years of professional experience. They have held roles including Senior Engineer, Senior Design Engineer, and Senior Design Engineer at companies such as Synaptics Incorporated, Renesas SP Drivers Inc., and Renesas Electronics. Their education includes Master of Technology (M.Tech.) from Kyushu Institute of Technology.

Is Ryosuke Kosaka's contact information up to date?

Yes. Ryosuke Kosaka's SignalHire profile was last updated on 3 June 2026, reflecting their current position as Senior Design Engineer at Apple in Cupertino, California, United States.

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