Inventor · disambiguated record

Hisashi Katahama

Also filed as: KATAHAMA HISASHI

1 granted patent·1 pending application·29 citations·filing 2002–2002

45Inventor score

Technology areasC30B

Files withSUMITOMO METAL IND1 SUMITOMO MITSUBISHI SILICON1

Top patents by PatentIndex Score

2 records

0185US6641888B2Silicon single crystal, silicon wafer, and epitaxial wafer.SUMITOMO MITSUBISHI SILICON·Filed 2002·Granted Nov 4, 2003·29 cites·12 claims
0241US2002142170A1Silicon single crystal, silicon wafer, and epitaxial waferSUMITOMO METAL IND·Filed 2002·Application pending·0 cites

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