SIGMA KOKI CO., LTD. Trademarks
OPTOSIGMA

OPTOSIGMA

Filed: January 11, 1995
optical components, namely, optical lenses, mirrors, prisms, polarizers consisting of calcite prisms, dichroic sheet filters…
Owned by: SIGMA KOKI CO., LTD.
Serial Number: 74620548

OPTOSIGMA

OPTOSIGMA

Filed: January 11, 1995
optical components, namely, optical lenses, mirrors, prisms, polarizers consisting of calcite prisms, dichroic sheet filters…
Owned by: SIGMA KOKI CO., LTD.
Serial Number: 74620549

Image Trademark

Image Trademark

Filed: November 30, 2018
Laboratory apparatus and instruments, namely, lens in the nature of optic lenses, inspection mirror, prism, optic filters…
Owned by: SIGMA KOKI CO., LTD.
Serial Number: 79262610

OS METER

OS METER

Filed: May 21, 2021
Optical machines and apparatus; measuring or testing machines and instruments; telecommunication machines and apparatus;…
Owned by: SIGMA KOKI CO., LTD.
Serial Number: 79314956

O OPTOSIGMA

O OPTOSIGMA

Filed: September 30, 2021
Medical apparatus and instruments for use in general surgery, testing blood sugar levels, measuring blood sugar; measuring…
Owned by: SIGMA KOKI CO., LTD.
Serial Number: 79326687

OXY-THERMO METER

OXY-THERMO METER

Filed: January 28, 2022
Optical machines and apparatus; measuring or testing machines and instruments; telecommunication machines and apparatus;…
Owned by: SIGMA KOKI CO., LTD.
Serial Number: 79338069

OS METER

OS METER

Filed: May 20, 2022
Optical machines and apparatus, namely, optical glasses, optical lenses, optical mirrors, prisms, optical filters; holders…
Owned by: SIGMA KOKI CO., LTD.
Serial Number: 97421876