Who We Are

Installation of solar
power plants

Our History

FY2023/3

September 2013
Currently in operation atseven sites in JapanFoundation

December 1965
Established Chung Jih Metal Treatment
Chemicals Inc. in Taiwan

July 1928
Purchased a patent from Parker
Rust-Proof Company in the US.

Listed on the Stock
Exchange

May 1988
Formed a technical alliance withHenkel Corporation (US)100 billion

New Central ResearchLaboratories planned toopen in 2025

Exceeded ¥60 billion¥Number ofconsolidated
subsidiaries

Laboratories in Hiratsuka,Kanagawa, Japan

Exceeded30* Subject to change because theproject is still in the planning stage

July 1979
Established Thai Parkerizing Co., Ltd.
in Thailand

Continuing to grow by building
relationships of trust with customers
through surface modification

September 1967
Listed on the 1st Section of the Tokyo
Stock Exchange

Changes in net sales

1960

Net sales

Net sales

October 1961
Listed on the 2nd Section of the Tokyo
Stock Exchange

1928

FY2008/3

FY2000/3

June 1979
Established Trutec Industries Inc. in US.

Start overseas operation

119.1 billion¥

Technical alliance

It was in 1928 that Nihon Parkerizing purchased a patent for phosphate conversion treatment technology inthe corrosion-preventive treatment of steel. The above initiative was the first of its kind in Japan. Since then,we have continually refined our technologies with an insatiable spirit of inquiry and peremptory technologicaldevelopment capabilities while always looking ahead of the times. We have thus established a firm position asa leader in surface modification. Today, we have become an indispensable
Celebrated 60thcompany in society, covering a wide range of industries, from core industries
Anniversary
such as automobiles, steel, and home appliances to cutting-edge industries
May 1987
Established Central Researchsuch as medical equipment and aerospace.
Celebrated 50th anniversary
Overseas expansion

Net sales

1970

1980

1990

2000

2010

2020

*Figures for 1980 and earlier are on a non-consolidated basis.

Technologicaltransitions

1940 Commercialized Japan’s first zinc
phosphate coating chemical

1990 Developed a wide variety of products
and distinguished its brand2000 Established a position as a leader in the field ofsurface modification through the successful
development of environmentally friendly
products

Changes in automotive surface treatment from the 1970s to the 2010s〜1970

1980

Coating performance
improvement
CAA, 10.5 code

Automotive technology trends

PrimerAnionic E Coat

Substrate

Galvanized steel
SprayEngineering

1990

Pursuit of high-added
value
Weight reduction

Full immersion

Degreasing
SurfaceSpray (50°C)
treatment
technology
Surface
Chemicals Conditiontrends

High tensile steel
Surface quality

Spray/Immersion (50°C)

Full immersion (40°C)

Ti base (Powder)

11Nihon Parkerizing Co., Ltd. Integrated Report 2023

Zn-Ni type (50°C)
Spray

AHSS/CFRP
Shortened PT process
Newly designed PT layout

Strong alkaline with silicate

Strong alkaline, environmentally friendly typeAnd beyond
The Nihon Parkerizing Group has been creatingand will continue to create new value by
leveraging its technological capabilities globallyto help solve social issues worldwide.
We will continue to support people’s lives andsociety through surface modification.

P-free, N-less type (40°C), biodegradable
Zn type (Liquid)High efficiency

Reduction of wastewater
Improvement of phosphatability

ing

Conversion
CoatingHigh-throwing power/Tin-free

Paint appearance
Strong alkaline

Carbon neutral
Autonomous car

Fuel efficiency
improvement

Lead-free E Coat

Plastic/Polymer, Aluminum

Cavity phosphatability &corrosion resistance
Mild alkaline

Eco-friendly
ISO 14000, Act on Waste Management and Public Cleansing

Cationic E Coat

2010〜〜

2000

Zn-Ni type (50°C)
Full immersion

Zn-Ni-Mn type (43°C)

Zn-Ni-Mn type (35°C)

Low-temperature full immersion

Low temperature, low sludge/
AL simultaneous treatment

Zr conv (38°C)
P-free and N-less

Nihon Parkerizing Co., Ltd. Integrated Report 202312