Inventor · disambiguated record

Nobuyoshi Yoshikawa

Also filed as: YOSHIKAWA NOBUYOSHI

2 granted patents·17 citations·filing 1989–1989

59Inventor score

Technology areasF16L Y10S

Files withTEIKOKU HUME PIPE2

Top patents by PatentIndex Score

2 records

0142US5035850AMethod of producing concrete composite pipeTEIKOKU HUME PIPE·Filed 1989·Granted Jul 30, 1991·12 cites·5 claims
0232US4976291ACentrifugally molded concrete composite pipeTEIKOKU HUME PIPE·Filed 1989·Granted Dec 11, 1990·5 cites·9 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →