Inventor · disambiguated record
Tetsuya Hanazaki
Also filed as: HANAZAKI TETSUYA
4 granted patents·9 citations·filing 2006–2011
65Inventor score
Technology areasE01B
Top patents by PatentIndex Score
4 records- 0183US7891577B2Safety device for a trainTOKAI RYOKAKU TETSUDO KK·Filed 2006·Granted Feb 22, 2011·8 cites·6 claims
- 0256US8418932B2Wheel guard apparatusSEKI MASAKI·Filed 2008·Granted Apr 16, 2013·1 cites·6 claims
- 0349US8302877B2Wheel guard deviceSEKI MASAKI·Filed 2011·Granted Nov 6, 2012·0 cites·1 claims
- 0448US8485452B2Guard rail apparatus for guiding derailed wheelsSEKI MASAKI·Filed 2011·Granted Jul 16, 2013·0 cites·4 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →