Inventor · disambiguated record
Osamu Hirano
Also filed as: HIRANO OSAMU · WATANABE ITARU
7 granted patents·1 pending application·95 citations·filing 1977–2019
85Inventor score
Top patents by PatentIndex Score
8 records- 0185US5301923AGrease-sealed rolling contact bearingNTN TOYO BEARING CO LTD·Filed 1993·Granted Apr 12, 1994·37 cites·1 claims
- 0269US4320277AThick welded steel pipe of large diameter and production thereofNIPPON KOKAN KK·Filed 1980·Granted Mar 16, 1982·21 cites·5 claims
- 0362US4341938AMethod and apparatus for seam-welding steel pipesNIPPON KOKAN KK·Filed 1980·Granted Jul 27, 1982·16 cites·13 claims
- 0456US4107503AMethod for eliminating residual magnetism in pipe-blank for welded steel pipe longitudinally seam-welded from insideNIPPON KOKAN KK·Filed 1977·Granted Aug 15, 1978·10 cites·7 claims
- 0546US2019286062A1Hand position control device, timepiece, and hand position control methodSEIKO INSTR INC·Filed 2019·Application pending·0 cites
- 0636US5397654AAbrasion-resistant welded steel pipeNIPPON KOKAN KK·Filed 1993·Granted Mar 14, 1995·5 cites·41 claims
- 0735US4238659APreventing magnetization of pipe blank in GMA weldingNIPPON KOKAN KK·Filed 1979·Granted Dec 9, 1980·4 cites·3 claims
- 0830US4110589AMethod for longitudinally seam-welding pipe-blank for welded steel pipe from the inside along a grooveNIPPON KOKAN KK·Filed 1977·Granted Aug 29, 1978·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →