Inventor · disambiguated record
Shuetsu Kumagai
Also filed as: KUMAGAI SHUETSU
2 granted patents·2 citations·filing 1998–1999
40Inventor score
Files withSONY CORP2
Top patents by PatentIndex Score
2 records- 0130US6238730B1Gas introduction pipe and magnetic recording medium production method using the pipeSONY CORP·Filed 1999·Granted May 29, 2001·2 cites·13 claims
- 0223US6021964AGas introduction pipe and magnetic recording medium production method using the pipeSONY CORP·Filed 1998·Granted Feb 8, 2000·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →