Established Topcon Service Co., Ltd.

Established Topcon Europe N.V.(currently Topcon Europe B.V.) in Rotterdam, The Netherlands.

Released Optometry Unit OU-100
Achieved use of Vision Tester VT-SD, Refractometer RM-1B and Lens Meter LM-3, from eye examinations through glasses lens adjustment, at Topcon.
(1974 4th Machine Design Award from the Minister of International Trade and Industry ）

Established Topcon Instrument Corporation of America (currently Topcon Medical Systems, Inc.) in New York, U.S.A. (currently New Jersey State).

Entry into eye glasses lens business

Released Auto Level AT-M3, AT-S3, AT-P3
AT-M3 achieved world's first shortest visual distance of 0 meter

Released Operation Microscope OMS-100
Contributed to treatment ophthalmic disorders with outstanding optical performance and instrument configuration.

Established Topcon Sokki Co., Ltd. (currently Topcon Sokkia Positioning Japan Co., Ltd.), a surveying instruments sales company.

Established Topcon Medical Japan Co., Ltd., a medical instruments sales company.

Released Illuminance Meter IM-1

Released Electronic Distance Meter DM-C1/C2. Realized the world's smallest/lightest EDM. DM-C1 improvements in the DM-C2 led to major cost reductions.

Released Refractometer RM-100
The World' s first refractometer with near-infrared projection.
With this product having a TV monitor it became possible to do measurements by operating directly on the screen, which made it a big hit on the market.

Implemented public offering （Paid-in Capital 575 million yen)

Established Topcon Singapore Pte. Ltd. in Singapore.

Released EDM Theodolite GTS-1 (GUPPY)
the first model of theodolite incorporated the electronic distance meter.

Ended sales of 35mm cameras

Installed optical parts in Kiku-4 (engineering test satellite: ETS-III)

Issuance Swiss Franc convertible bond

Released Wafer Surface Particle Measuring System WM-2
Quantitative and non-contact automatic measuring of quantities and locations of dirt attached to wafer surfaces. Realized world's smallest size for clean room installation.

Received the Good Design Award for the first time in surveying instruments, Electric Total Station ET-1, Electric Digital Theodolite DT-10P, and Electric Distance Meter DM-A2.

Capital increase by public offering （Paid-in Capital 5,000 million yen)

Released Electronic Total Station GTS-3 series
Normal type Total Station realized high precision, small size and light weight.

Topcon Optical (H.K.) Ltd. established in Hong Kong, began production of optical units for copying machines. First Topcon overseas local production base.

Topcon stock transferred to first sections of the Tokyo and Osaka Stock Exchanges.

Established Topcon International Finance Corporation in The Netherland.
（The company's first financial subsidiary）

Installed infrared optical systems onto the "Momo" marine observation satellite MOS-1.

Issuance of US dollar-denominated warrant bonds

Released Non-Contact Computerized Tonometer CT-10
With this product it became possible non-contact speedy tonometry measurement featuring also easy alignment.

Released Digital Imaging Filing System IMAGEnet
System that manages all types of ophthalmological diagnosis information, including ocular fund scans and examination data.

Changed corporate name to Topcon Corporation

Issuance of unsecured convertible bond in Japan