Inventor · disambiguated record

Shoji Yamahata

Also filed as: YAMAHATA SHOJI

2 granted patents·27 citations·filing 1995–1997

62Inventor score

Technology areasH10D

Files withNIPPON TELEGRAPH & TELEPHONE2

Top patents by PatentIndex Score

2 records

0155US5614423AMethod for fabricating a heterojunction bipolar transistorNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Mar 25, 1997·16 cites·10 claims
0248US5717228AHeterojunction bipolar transistor with crystal orientationNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Feb 10, 1998·11 cites·11 claims

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