A Specialized Magnetic Shielding Manufacturer with Over 60 Years of Proven Expertise in Soft Magnetic Materials: OHTAMA

OHTAMA Co., Ltd.

Changing the World Through Magnetic Shielding / Be A Game Changer

・Manufacturing of magnetic shielding components (shielding parts, sensor cores, yokes)
・Material sales (Mudelta metal®, soft magnetic material (PC/PB Permalloy))
・ Contract magnetic annealing and heat treatment services
・Measurement and mitigation of magnetic and electromagnetic waves (magnetic field measurement)
・Magnetic and electromagnetic shielding fabrication (shielded rooms, shielding cases, active cancellers, etc.)
・Magnetic field analysis and simulation

BUSINESS DETAILS

Company Name
OHTAMA Co., Ltd.
Date of Establishment
February 14, 1964
Head Office Location
1744 Oshitate, Inagi City, Tokyo / 2437-1 Noborito, Tama-ku, Kawasaki City, Kanagawa
Location of Factories
Inagi Factory: 1744 Oshitate, Inagi City, Tokyo,
Hachioji Minamino Factory: 1-32-2 Nanakuni, Hachioji City, Tokyo,
Ibaraki Tomobe Factory: 812-3 Kashii, Kasama City, Ibaraki
Representative
Tetsuya Okumura
Company Site (Japanese)
https://www.ohtama.co.jp/
Company Site (English)
https://www.ohtama.co.jp/index_en.html
Industry
Manufacturing
Achievements
Winner of the Next Movement Award at the Forbes-supported SMALL GIANTS AWARD 2022-2023, Nominee for the 10th Monodzukuri Nippon Grand Award (currently under review)
Product Certifications, Patents and Trademarks
AC Canceller CA-3300 (NRTL Certified), AC Canceller CA-4000 (KC Certified), Mudelta metal®,
Patent: No. 5865143, No. 6839985, No. 7122766, No. 7589610