Inventor · disambiguated record
Hironobu Kanbayashi
Also filed as: KANBAYASHI HIRONOBU
3 granted patents·1 pending application·30 citations·filing 1998–2021
68Inventor score
Technology areasC09D
Top patents by PatentIndex Score
4 records- 0157US6083311AWater based ink having metallic luster adapted for direct-filling in ball-point penPILOT KK·Filed 1998·Granted Jul 4, 2000·19 cites·6 claims
- 0248US7396397B2Ink composition for oil-based ballpoint pen and method for production thereof, and ballpoint pen refillPILOT CORP·Filed 2004·Granted Jul 8, 2008·2 cites·11 claims
- 0340US6114412AWater-based ink with metallic gloss for direct fill in ball-point penPILOT KK·Filed 1999·Granted Sep 5, 2000·9 cites·22 claims
- 0440US2023294446A1Oil-based ballpoint penKK PILOT CORPORATION ALSO TRADING AS PILOT CORPORATION·Filed 2021·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →