#Japan #Kanazawa #GrinEB® #ICSJ2025 #Hakusan Corp.

Introduction to ICSJ2025

From November 12 to 14, 2025, Hakusan Corporation will participate in the IEEE CPMT Symposium Japan (ICSJ2025) held at Ritsumeikan Suzaku Campus. This event is a significant platform where leading professionals from the optical communication and data center sectors gather to share the latest research and technologies relating to electronic packaging methods. Hakusan will showcase various pioneering products, prominently featuring the GrinEB® connector and next-generation MT ferrules.

The showcase aims to highlight innovative solutions aiming to align with the IOWN concept. In addition to product displays, Hakusan is scheduled to present a paper on the advancements of the GrinEB® connector in relation to immersion cooling technologies.

Event Overview

• - Event Name: IEEE CPMT Symposium Japan (ICSJ2025)
• - Dates: November 12-14, 2025
• - Location: 4th Floor Common Lounge, Ritsumeikan Suzaku Campus
• - Organizer: IEEE Electronics Packaging Society (EPS)
• - Website: IEEE CPMT Symposium Japan

Paper Presentation Details

The paper presentation is set to take place on November 14, 2025, at 14:10.

• - Title: Single Mode Expanded Beam Connector for Immersion Cooling System Using GRIN Lens
• - Presenter: Alexander William Setiawan Putra

In the context of increasing traffic and heat generation associated with AI-driven data centers, traditional MPO connectors often face reliability issues due to spring degradation. This paper elaborates on the development of the GrinEB® connector, which deploys the physically non-contact Expanded Beam approach utilizing SELFOC® lenses developed by Nippon Sheet Glass Co., Ltd.

Showcasing the GrinEB® Connector

Hakusan Corporation has been a steadfast champion of innovative advancements in the optical communication sector, consistently developing technologies that enhance efficiency and performance. At previous events, including Interop Tokyo 2025 and COMNEXT 2025, Hakusan's GrinEB® connector garnered significant attention, marking it as the first of its kind in the industry.

In addition to the GrinEB® connector, Hakusan will showcase accompanying technologies such as CMF® (Ceramic Multi-core Ferrule), previously well-received for its innovations. The exhibition will also include displays of traditional MT ferrules, as well as development products catered towards CPOs (Chief Product Officers), emphasizing a comprehensive range of optical connectivity solutions.

Company Background

Founded on October 15, 1947, Hakusan Corporation is based in Kanazawa, Ishikawa Prefecture. The company has established itself as the second-ranking global leader in the sharing of multi-core optical connector components, particularly MT ferrules. With over 30 years of experience in the development and manufacturing of MT connectors, Hakusan remains dedicated to delivering cutting-edge technologies and high-quality products that benefit the industry. The company aspires to become the global leader in MT ferrule technology by continuing its commitment to innovation and quality improvement.

• - Company Name: Hakusan Corporation
• - Location: Kanazawa, Ishikawa
• - Business Established: October 15, 1947
• - Business Scope: Development, manufacturing, and sales of optical communication components
• - Official Website: Hakusan Manufacturing

Contact Information

For further inquiries, please contact:

• - Company Name: Hakusan Corporation
• - Contact Person: Tsubomoto
• - Email: [email protected]
• - Phone: 076-255-2875

Attending ICSJ2025 provides an excellent opportunity for professionals in the field to explore groundbreaking technologies that promise to shape the future of optical communications and data center efficiency.