Site Report
Head Office / Hachioji Plant
Company Profile
Location
Hachioji City, Tokyo
Business segment
Semiconductor manufacturing equipment
Main products
Edge grinding machines, dicing machines, polish grinders, high-rigidity grinder, precision cutting blades, etc.
Year of establishment
1963
Land
45,358.43 m²
Floor area
21,411.09 m²
ISO
Acquired ISO 9001 certification and ISO 14001 certification
Number of employees
680 (as of March 31, 2024)
Business Overview
The Hachioji Plant manufactures semiconductor manufacturing equipment. It mainly handles “back-end processing” equipment, which are used in the latter half of the semiconductor manufacturing process, and manufacture conventional wafer manufacturing field equipment, test field equipment, CMP (Chemical Mechanical Polishing) devices, and edge grinders.
Hanno Plant
Company Profile
Location
Hanno City, Saitama
Business segment
Semiconductor manufacturing equipment
Main products
Wafer probing machines, etc.
Year of establishment
2023
Land
51,581 m²
Floor area
9,743 m²
ISO
Acquired ISO 9001 certification and ISO 14001 certification
Number of employees
172 (as of March 31, 2024)
Business Overview
The Hanno Plant manufactures semiconductor manufacturing equipment. It mainly manufactures probing machines, which are the Company’s core products, and have received high praise from our customers for these machines.
Tsuchiura Plant
Company Profile
Location
Tsuchiura City, Ibaraki
Business segment
Precision measuring instruments
Main products
Coordinate measuring machines, surface texture and contour measuring instruments, roundness and cylindrical profile measuring instruments, non-contact surface texture and contour measuring instruments, charge/discharge testing systems, etc.
Year of establishment
1969
Land
21,880 m² * Includes Tosei Engineering Corp. land
Floor area
9,721 m² * Includes Tosei Engineering Corp. floor area
ISO
Acquired ISO 9001 certification and ISO 14001 certification
Number of employees
191 (as of March 31, 2024)
Business Overview
The Tsuchiura Plant manufactures precision measuring instruments. It provides “high-precision measuring instruments” used in measuring rooms and machining tooling lines in various industries around the world, including the automotive, heavy duty equipment, and aircraft industries, for which we have received high praise from our customers. The plant also manufactures charge/ discharge testing systems, helping to support our new business.
Furudono Plant
Company Profile
Location
Furudono-machi, Ishikawa-gun, Fukushima
Business segment
Precision measuring instruments
Main products
Charge/discharge testing systems
Year of establishment
2019
* Business transferred from subsidiary Accretech Powertro System Co., Ltd. to Tokyo Seimitsu in October 2023
Land
56,854.62 m²
Floor area
15,297.11 m²
ISO
Acquisition of ISO 9001 certification, ISO 14001 certification, ISO 17025 certification/Tosei Engineering Co., Ltd.
Number of employees
24 (as of March 31, 2024)
Business Overview
The Furudono Plant manufactures charge/discharge testing systems and battery jigs, and provides consigned battery evaluation services. In 2023, the operations of our Group company Accretech Powertro System were integrated into our Precision Measuring Instruments Division.
Environment・Society・Governance
