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Company Overview

Company Name

Piezo Parts Co., Ltd.


Yusuke Hayakawa


In October, 1990


JPY 10,000,000



Our Bank

The Bank of Tokyo-Mitsubishi UFJ, Ltd.,
The Tama Shinkin Bank



Postal code: 192-0154

831-3 Shimo-Ongata machi, Hachioji-city Tokyo, Japan

Izumozaki Factory

Postal code: 949-4352

488-9 Daimon, Izumozaki-machi, Santo-gun Niigata, Japan

Taiwan Branch
(Piezo Parts Taiwan)

No.19 Bainian 5th St. Longtan Township,
Taoyuan County, Taiwan




“Good Sensor, Good Control”

Management Principal

We do not wish to pursue our business expansion recklessly, blindly or greedily.
We DO our best to bring all our business associated people’s happiness
with faith and our original technologies.



Operation Policy :

“For all our customers, employees and locals to share joy and gratification with us.”

  1)  To our customers:
       Our utmost pleasure and to feel the worth of work are
       to receive satisfaction voice from customers; for instance,
       ‘Since we switched to your company’s products, our products’ precision increased”
       or “Our yield rate increased”.
  2) To our employees:
      Our motto is “POSITIVE, ENERGETIC and FUN”,
      and our goal to create a workplace where employees say,
      “I am glad THAT I am working for this company”.
  3) To local community:
      First of all, we promise to NOT cause any nuisance.
      In addition to that, it is our ideal to realize the coexistence
      with all locals in mutual prosperity.


Quality Policy :

“For our customer’s reliance”

We strive to ensure high performance and consistent quality.


Environmental Policy :

“For the good health of mankind and the planet”

We endeavor to improve and conserve nature with
abundant greens for the environmental preservation.

Business Activities

Manufacturing and Selling Quartz Monitor Crystal
Manufacturing and Selling QCM sensors
Manufacturing and Selling QCM Trial Kit
Undertaking to Re-fabricate Quartz Monitor Crystals
Selling Monitor Glasses
Undertaking to Process Physical Vapor Deposition on behalf
Selling Expendable Supplies for EBPVD Equipment
Manufacturing and Selling Rubber Tip Tweezers

Company History

Oct,1990Established in Miyama-Cho, Hachiouji City, Tokyo.
Dec,1990Production Started
Jun,1992Acquired second factory in Kawaguchi district, Hachiouji-city, Tokyo
Mar,1994The DPE service begins as Miyama Color
Oct,1997Headquarters factory moved to Shimo-Ongata Industrial Complex in Hachiouji-city, Tokyo
Mar,2001Established associated company, Mega Electronics Co., Ltd. in Izumozaki-town, Santo County, Niigata Prefecture
Jan,2007Obtained a patent for a Crystal Oscillator, Film Thickness Monitors(patent number 3907103)
Dec,2009Established Taiwan Branch (Piezo Parts Taiwan)
Jul,2010Adopted to New Businesses/Products, Joint Research and Developing New Technology
Nov,2013Adopted to MONOZUKURI Small and Medium Enterprises Trial Manufacture Development Subsidy.※Meaning of MONOZUKURI includes manufacturing, craftsmanship, making things by hand
Jan,2017Won a first prize of TAMA Brand, Broadening and Expanding International Distribution section. Also certified as one of TAMA Brand Enterprises.