YUKIWA SEIKO U.S.A INC.

Founder, Mr.Iwao Sakamaki, established SAKAMAKI IRON WORKS to produce wood working machinery.

Start of manufacturing of Hemp-textile Sewing Machines.

The factory was transferred to Drill Chuck manufacturing.

The organization was changed to a corporation, named SAKAMAKI MFG. CO.,LTD.

Nation-wide “YUKIWA” Group (Sales Network) was organized.

Approval of JIS indication on chucks for portable electric power drills.

Start of manufacturing of Collet Chucks.

Approval of JIS indication on Drill Chucks for machine tools.

Opening of Tokyo office.

Tap Chucks developed.

Manual Index Tables developed.

Automatic Index Tables developed.

KAWAGUCHI FACTORY built.

Start of manufacturing of Keyless Drill Chucks.

Quick Chucks developed.

Opening of Osaka office.

Tap Holders developed.

NC Rotary Tables developed.

Start of manufacturing of Drill Chucks for Hobby-use.

KOHWA SEIKI CO., LTD. established.

Drill Mill Chucks developed.

Start of manufacturing of Duplex-holding Tools.

KAINOSWA Factory built.

Our Drill Chuck was equipped with Space Shuttle “Challenger” and has been used for space works.

KAINOSWA Factory built more.

Development of NC Coupling Index Rotary Tables.

Pencil Mill Chucks developed.

CNC Rotary Table SNC Series developed.

Mr. Iwao Sakamaki assumes the chairman, and Mr. Kazuo Sakamaki assumes the president.

Keyless Drill Chucks for cordless electric drills developed.

Corporate name changed to YUKIWA SEIKO INC.

Awarded with Economics Promotion Prize of Niigata Pref.

Private Placement Bond issued.

Opening of new Head Office & Factory

Establishment of YUKIWA SEIKO U.S.A., INC. in North Carolina.

YUKIWA INTERNATIONAL INC. established.

Opening of Nagoya office.

Super G1 Chucks developed.

CNC Rotary Table “YNC Series” developed.

KAINOSWA Factory built more.

Approval of ISO9001.

New Drill Mill Chucks developed.

All-metal Sleeve Keyless Chucks for Portable Drills developed.

Shrink-fit-holders developed.

Controller “BC1” for CNC Rotary Table developed.

Awarded JSAI “Matsubara Invention Prize” for Keyless Drill Chucks with Lock Device.

Awarded “Technology Prize” of Niigata Prefectural Governor.

CNC Tilting Rotary Table “TNT Series” developed.

Awarded with Minister of Science and Technology at development of industrial chucks.

KAINOSWA Factory built more.

CNC Rotary Table “JNC Series” developed.

Tokyo office - moving to the new location.

Approval of ISO14001

Direct Drive CNC Rotary Table developed.

Hybrid G1 Chucks developed.

Approval of ISO9001:2000.

Approval of new JIS mark indication on Drill Chucks.

Kazuo Sakamaki, president, awarded “Medal with Yellow Ribbon” at development of industrial chucks.

Opening of YUKIWA SEIKO INC. SHANGHAI REP. OFFICE.

Elected as one of 1400 Job-Creating Companies by Ministry of Economy, Trade and Industry.

Green G1 Chucks developed.

Green G1 Chucks win the "Good Design Award" by Japanese design promotion meeting sponsorship. Also elected as "Good Design best 100.".

Green G1 Chucks win the "Frontier Good Design Award." (The Award of President of Small and Medium Enterprise Agency).

All stainless keyed drill chucks developed.

Collet Chucks "A series and B series" developed.

2nd factory at Head Office built.

Satsumashiranami circle awarded the Niigata prefectural governor award at the Niigata district QC circle meeting.