Ryosuke Kosaka: Email & Phone Number

Opt-Out

Senior Design Engineer at Apple|Tokyo, Tokyo, Japan

Position:

Senior Design Engineer at Apple

Location:

Tokyo, Tokyo, Japan

View Ryosuke Kosaka's Email

Up to 10 free lookups. No credit card required.

Last updated: 2026-07-15

Updated: 2026-07-15

Found email addresses for Ryosuke Kosaka:

Business emails:

r*****a@apple.com,

r************a@apple.com

Found phone for Ryosuke Kosaka:

+81-***-***-6036

A different Ryosuke Kosaka?

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-***-***-6036.

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 15 July 2026, reflecting their current position as Senior Design Engineer at Apple in Cupertino, California, United States.

Similar profiles

Name

Company

Position

Charles Muasya

Engineered Air

Senior Design Engineer

Get contacts

Sneha Shendge

Wilson Power Solutions

Senior Design Engineer

Get contacts

Johnson Hsu

Freelance

Senior Design Engineer

Get contacts

Ryan Koh

Sony | Technology

Senior Design Engineer

Get contacts

Manoj

Bosch Global Software Technologies

Senior Design Engineer

Get contacts

Schuyler James Jones

DENSO

Senior Design Engineer

Get contacts

See more profiles

Other employees at Apple

Name

Company

Position

Yoshikazu Sakamoto

Apple

Engineering Program Manager

Get contacts

Takahiro Saito

Apple

Digital Marketing Platform Producer, Marketing Communications

Get contacts

Gregory Overkamp

Apple

FPGA Prototyping Engineer

Get contacts

Masashi Nomura

Apple

Site Project Representative

Get contacts

Kui Yang

Apple

Sr. CPU Power Engineer at Apple

Get contacts

Yuito Fukuhara

Apple

Lead Genius

Get contacts

Wonjae Lee

Apple

Annotation Analyst

Get contacts

Rie Inaba

Apple

People Operations Planner

Get contacts

Get contacts

Key Account Manager

Get contacts

See more profiles

Data Privacy

GDPR COMPLIANT

SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.

CCPA COMPLIANT

SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.