Kotobuki Manufacturing Co., Ltd.

Kotobuki Manufacturing Co., Ltd.

信頼品質

Japan Quality

Precision Presswork Partner Trusted Quality by Leading Optical Manufacturers

Kotobuki Manufacturing Co., Ltd.

About Us

Our company provides integrated in-house services from the design and manufacturing of metal press molds used in digital cameras, interchangeable lenses, and video cameras, to pressing, caulking, tapping, and product assembly.
Headquartered in Tsukuba City, Ibaraki Prefecture, we meet diverse manufacturing needs with advanced technology and flexibility.

Kotobuki Manufacturing Co., Ltd.

Do you have any troubles like these?

✓ Are you looking for a partner who can stably supply high-precision molds?
✓ Do you need advanced processing technology to improve the quality of your products?
✓ Are you searching for a supplier who can flexibly handle both small-lot and mass production?

Let us handle it!

Our Strength

Our strengths include a broad design and manufacturing capability, ranging from precision metal molds to molds for paper products, and the ability to handle challenging processes such as complex caulking.




For example, in wave washer production, we measure and manage spring loads from material to finished product, ensuring consistent quality.


We are also highly regarded for manufacturing AF separators that combine thin-sheet forming and coating, and for applying cost-effective, high-quality processing technologies to a wide range of specialized press components.


Main Products

Wave washers

We particularly focus on the production of wave washers and precision leaf springs.
We can accommodate various sizes and manufacture with high precision even for components requiring strict load management.
With years of know-how and advanced technology, we utilize various measuring instruments to achieve both quality and performance.
 
 

Promotion Video

Service

・Precision press parts machining

・Precision press mold manufacturing

Main Products

■Wave washers

■Precision leaf springs

■Other press-processed components

Message

Leveraging our long-standing relationships and proven reliability with major optical manufacturers in Japan, we are now actively expanding overseas.
With an integrated system from design to mass production, we ensure stable supply and flexible solutions.
If you are seeking high-quality molds and precision-processed components, we invite you to contact Kotobuki Manufacturing.

Kotobuki Manufacturing Co., Ltd.

PIC:Shuta Ogino, President
Phone:+81-29-876-0931

Contact us

Company

Kotobuki Manufacturing Co., Ltd.

172 Jiyugaoka, Tsukuba City, Ibaraki Prefecture, 300-1266, Japan

Phone +81-29-876-0931

RepresentativeShuta Ogino, President
Date of establishmentJune 1954
Number of employees55
Capital30 million yen
Revenue700 million yen
CertificationQMS *Certified by a major optical manufacturer (Company C)

Corporate Website

https://www.kotobuki-seisakusho.co.jp/

Manufacturing Environment & Quality Control

We employ load testers and 3D image measuring systems, maintaining strict quality control in accordance with

ISO standards and our proprietary inspection manuals.

We also emphasize process management, ensuring on-time delivery and product traceability.

 

If you have any questions or concerns about our products, please feel free to contact us.

Contact us

Kotobuki Manufacturing Co., Ltd.

172 Jiyugaoka, Tsukuba City, Ibaraki Prefecture, 300-1266, Japan

Phone +81-29-876-0931