Established as Honma Manufacturing Co., Ltd.
Kitchen product brand "Koiinu Jirushi" launched

Built a kitchenware factory in Akiha-cho, Tsubame City, Niigata Prefecture

Addition of a finishing line to the head office manufacturing plant

Company established. Press factory added to head office manufacturing plant.

Constructed a large commercial kitchen product factory with an area of ​​16,000m2 in Nishikan Ward, Niigata City (formerly Iwamuro Village).

In order to start making larger commercial kitchen products, two 300t hydraulic presses were installed.

Eiichi Homma becomes the second representative director
Introduction of automated press line

Tsukumota Factory expanded by 1330m²

Electric cooking appliance manufacturing line introduced

Introduced 500t and 600t hydraulic presses

Introducing molds, jigs, and manufacturing lines

Tsukumota Factory expanded to 150 tsubo

Sheet metal and assembly manufacturing lines introduced

Introducing 2.5D laser cutting machines

3D CAD introduced

Kazunari Homma becomes the third representative director

To stabilize prices, we began actively adopting and developing chrome stainless steel such as NSSC180.

In response to the introduction of large pots for commercial IH equipment, spinning equipment and press equipment were added.
Management Innovation Acquisition

Expanded lineup of commercial induction cookware
Full lineup of stainless steel single-phase, single-phase thick-bottom, and clad materials in all sizes

Sales of lightweight IH pots with circular bottoms started.

Super ceramic coating production begins

Large-scale renovation of the head office factory
Complete exterior construction and new automated warehouse installation

Tsukumota Factory expanded to 1550 m2
Introducing solar panels for photovoltaic power generation
Introduction of new machinery and automated warehouses

5-axis CNC spinning machine introduced
Start of spinning processing of irregular and rectangular shapes

Introduced an automatic polishing machine line (for irregular and square shapes)
New 500t hydraulic press introduced

Screw-type forging press introduced

Expanded the Tsukumota Factory to include a dedicated polishing factory.
Automatic polishing machine added to main factory

A vertical machining center was added to the Tsukumota Factory.
Blast polishing machine installed at head office factory
New 250t double-acting hydraulic press introduced

Full-scale development of products for general household use begins
Koinu Jirushi official online store opens