Inventor · disambiguated record
Akiyoshi Tachikawa
Also filed as: TACHIKAWA AKIYOSHI
5 granted patents·43 citations·filing 1993–2002
79Inventor score
Technology areasH10P
Top patents by PatentIndex Score
5 records- 0163US7208043B2Silicon semiconductor substrate and preparation thereofSILTRONIC AG·Filed 2002·Granted Apr 24, 2007·9 cites·6 claims
- 0254US6805742B2Silicon semiconductor substrate and process for producing the sameSILTRONIC AG·Filed 2002·Granted Oct 19, 2004·6 cites·9 claims
- 0348US6767848B2Silicon semiconductor substrate and method for production thereofWACKER SILTRONIC HALBLEITERMAT·Filed 2002·Granted Jul 27, 2004·4 cites·10 claims
- 0442US5833749ACompound semiconductor substrate and process of producing sameNIPPON STEEL CORP·Filed 1996·Granted Nov 10, 1998·14 cites·8 claims
- 0532US5438951AMethod of growing compound semiconductor on silicon waferNIPPON STEEL CORP·Filed 1993·Granted Aug 8, 1995·10 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →