Assignee
TOMITA SANGYO KK
2 granted patents·9 citations·filing 1975–1979
Top patents by PatentIndex Score
2 records- 0126US4239572AMethod and apparatus for folding and welding the marginal edges of a cover sheetTOMITA SANGYO KK·Filed 1979·Granted Dec 16, 1980·5 cites·7 claims
- 0222US4019944AMethod of and high frequency welder assembly for binding a cover material onto a base materialTOMITA SANGYO KK·Filed 1975·Granted Apr 26, 1977·4 cites·5 claims
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