Inventor · disambiguated record
Hiroyuki Amatsutsu
Also filed as: AMATSUTSU HIROYUKI
8 granted patents·237 citations·filing 1997–2001
89Inventor score
Files withTOTAKU IND8
Top patents by PatentIndex Score
8 records- 0188US6347646B2Flexible hoseTOTAKU IND·Filed 2001·Granted Feb 19, 2002·61 cites·12 claims
- 0281US6398270B1Corrugated pipe jointTOTAKU IND·Filed 2000·Granted Jun 4, 2002·31 cites·12 claims
- 0373US6007110ABell mouth for annularly corrugated pipeTOTAKU IND·Filed 1998·Granted Dec 28, 1999·40 cites·7 claims
- 0469US5832960AWire harness protectorTOTAKU IND·Filed 1997·Granted Nov 10, 1998·33 cites·19 claims
- 0556US6237969B1Connector for connecting spirally corrugated pipe to wallTOTAKU IND·Filed 1999·Granted May 29, 2001·22 cites·29 claims
- 0655US6340181B1Bellmouth with joint block body with the bellmouth and hand hole with the bellmouthTOTAKU IND·Filed 1999·Granted Jan 22, 2002·20 cites·18 claims
- 0753US6338507B1Synthetic resin pipe with jointTOTAKU IND·Filed 1999·Granted Jan 15, 2002·20 cites·20 claims
- 0839US5950369AConnecting tubular body for handhole or manhole, block body for the tubular body, and handhole or handhole structureTOTAKU IND·Filed 1998·Granted Sep 14, 1999·10 cites·5 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →