Manufacturing Process Expert with Global Leadership

Resume – Manufacturing Processes Focus

Yoshikiyo Nagashima

Supplier Development Engineer

Cupertino, CA 95014, US 408-***-**** ****@**.***

Summary

Senior Staff Mechanical Engineer with 20+ years of expertise in manufacturing processes, product launch, and supplier development. Specialized in die casting, precision machining, welding, metal forming, press machining, lathe machining, and general assembly. Proven track record of scaling production for global customers, including 23 Apple linear vibration motor models and Nidec’s first EV inverter product line. Strong background in tooling, process optimization, and quality management systems (ISO/IATF), with hands-on leadership in cross-functional and cross-cultural environments.

Professional Experience

Nidec Corporation – SCM, Serbia (EV Inverter M&A Integration)

Technical Director

02/2022 – 04/2025 Novi Sad, Serbia

- Led mechanical development of Nidec’s first EV inverter line, focusing on die casting, machining, and assembly integration.

- Oversaw tooling and mold development across European suppliers, ensuring manufacturability and cost efficiency.

- Drove welding and forming process validation with key suppliers to meet EV quality standards.

- Coordinated with Stellantis/PunchPower and VW/Schaeffler on design and production readiness.

Nidec Seimitsu

Product Engineering & Factory Launch Lead

10/2015 – 01/2022 Kyoto, Japan

- Directed the factory launch and ramp-up of 23 Apple linear vibration motor models.

- Implemented process improvements in stamping, welding, and assembly to achieve scalability.

- Led a team of 20 engineers within a 3,000+ employee facility, optimizing tooling and supplier support.

- Introduced new machining and QC standards to enhance yield and reduce costs.

Nidec Corporation – HDD Motor Division

General Manager

04/1985 – 09/2015 Japan, Thailand, Philippines, U.S.

- Progressed from spindle motor design engineer to global production GM.

- Supervised precision machining, metal forming, and assembly processes across Japan, Thailand, and China.

- Developed supplier capabilities in welding, casting, and machining to meet global HDD demand.

- Maintained cost competitiveness while supporting Seagate and other major OEMs.

Education

Fukui National University – Fukui, Japan

B.S. in Mechanical Engineering

04/1981 – 03/1985

Skills

- Manufacturing Expertise: Die casting, precision machining, welding (GTAW, GMAW, resistance), metal forming/stamping, press machining, lathe machining, assembly process design

- Process & Quality: ISO 9001, IATF 16949, Six Sigma, PPAP, FAI, CMM inspection, SPC tools, lean manufacturing, continuous improvement, root cause analysis

- Engineering: Mechanical design, tolerance analysis, mold/tooling design, drafting

- Supplier Development: Supplier audits, supplier capability building, manufacturability assessment, cost optimization

- Leadership: Cross-functional & cross-cultural team management, strategic planning, training & mentoring

Languages

English – Fluent

Chinese, Thai – Conversational

Contact this candidate