YOSHIHARU KATAYAMA

主幹技師 @ 旭化成エレクトロニクス（株）

About

半導体後工程分野において30年以上の経験を有し、事業企画・P/L管理、パッケージ開発、社内およびOSATを活用した製造戦略、QMS構築・監査対応、生産ライン立上げ、IATF16949認証取得を含むグローバル製造オペレーションをリードしてきました。Semiconductor professional with 30+ years of experience in back-end operations, OSAT management, automotive quality, and global supply chain transformation.Experienced in leading semiconductor packaging and outsourced manufacturing operations across Japan, Malaysia, Taiwan, and China, covering development, mass production, quality assurance, supplier management, business negotiations, and operational strategy.Specialized in:• OSAT selection and governance• Automotive quality systems (IATF16949)• Supply chain resilience and BCP• Back-end manufacturing transfer and ramp-up• Cross-functional and cross-cultural leadership• QCD optimization and yield improvement• Commercial and operational negotiations with external partnersKey achievements include:• Managed transfer of 2,000+ automotive products with zero supply disruption• Achieved 99.9% assembly yield through joint improvement programs with multiple OSAT partners• Led overseas semiconductor business operations with P/L responsibility in Malaysia• Established quality and operational frameworks for outsourced semiconductor manufacturingI believe semiconductor back-end operations should be managed not only as manufacturing processes, but as strategic business functions that directly impact competitiveness, quality, profitability, and long-term supply stability.

Country

Japan

City

Chiyoda

Industry

Electrical & Electronic Manufacturing

Skill

Semiconductor Packaging, OSAT Management , Automotive Semiconductors, IATF 16949, ビジネス要件, 半導体, 製造オペレーション管理, 製品導入, 日本語, エレクトロニクス生産, アナログ回路設計, 製造エンジニアリング, Semiconductor Backend Process, IC, エレクトロニクス, 製造, SPC, 経営, 事業開発, カスタマーサービス

Experience

主幹技師

旭化成エレクトロニクス（株）

2026-5 - Present · 5 mos

千代田区

• Leading semiconductor back-end outsourcing and supply chain operations for automotive and industrial applications • Driving operational transformation across OSAT management, quality systems, and supplier governance • Supporting strategic initiatives for stable supply, quality improvement, and global operational optimization • Collaborating across engineering, manufacturing, quality, and procurement functions

Chief Engineer

新電元工業（株）

2023-5 - 2026-4 · 3 yrs

朝霞市

• Led power semiconductor packaging and outsourced manufacturing management • Established operational frameworks based on IATF16949 automotive quality standards • Improved collaboration models between internal teams and OSAT partners • Promoted process optimization and quality enhancement initiatives across supply chain operations

Chief Specialist

Toshiba

2018-3 - 2023-4 · 5 yrs 2 mos

川崎市

• Led semiconductor back-end operations and OSAT management across Malaysia, Taiwan, and China • Managed large-scale manufacturing transfer projects for automotive products • Directed supplier quality assurance and operational governance based on QCD and BCP perspectives • Achieved stable supply continuity during OSAT consolidation with zero customer supply disruption • Led IATF16949 certification activities and automotive quality improvements • Held P/L responsibility as Business Unit Manager in Malaysia operations

Senior Area Manager

Amazon

2017-7 - 2018-2 · 8 mos

Chiba-Pref. Japan

Inbound operation management in the logistics warehouse

Chief Specialist

Toshiba

1992-4 - 2017-6 · 25 yrs 3 mos

Oita Pref. Japan,

Mixed Signal System LSI Dev. Back End Process Team Manager -4.5 years’ experience in Development Circuit Design in Mixed-Signal IC -7.5 years’ experience in Backend Process Engineering in Mixed-Signal IC -5.0 years’ experience in Product Engineering in Mixed-Signal IC (Specialty Backend Process) -4.0 years’ experience in Section Management Product Engineering in Mixed-Signal IC -2.5 years’ experience in Team Management Product Engineering in Mixed-Signal and Digital IC (Specialty Backend Process) -Product Profit and loss management -Backend Process (Assembly)Line Setup and Launch for High volume manufacturing -External suppliers management (Outsorce for Assmbly and Test)