Inventor · disambiguated record
Toshikazu Hirayama
Also filed as: HIRAYAMA TOSHIKAZU
9 granted patents·357 citations·filing 1981–2008
90Inventor score
Files withNIPRO CORP4NISSHO KK2ASTRAZENECA UK LTD1MITSUBISHI ELECTRIC CORP1SUMITOMO ELECTRIC INDUSTRIES1
Top patents by PatentIndex Score
9 records- 0176US6901975B2Drug solution container with a connector for communicatingNIPRO CORP·Filed 2003·Granted Jun 7, 2005·80 cites·7 claims
- 0269US5899889APrefilled syringeNISSHO KK·Filed 1998·Granted May 4, 1999·115 cites·20 claims
- 0368US7622767B2Semiconductor device with T-shaped gate electrode and hollow region adjacent the gate electrodeMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Nov 24, 2009·4 cites·3 claims
- 0467US7041087B2Pre-filled syringeASTRAZENECA UK LTD·Filed 2001·Granted May 9, 2006·51 cites·14 claims
- 0567US4401297ASintering furnace for powder metallurgySUMITOMO ELECTRIC INDUSTRIES·Filed 1981·Granted Aug 30, 1983·22 cites·2 claims
- 0655USD610679SAutomatic dental drug solution injection deviceNIPRO CORP·Filed 2008·Granted Feb 23, 2010·9 cites·1 claims
- 0755US5827233APrefilled syringeNISSHO KK·Filed 1996·Granted Oct 27, 1998·68 cites·10 claims
- 0854US6669762B2Air trap for liquid circulation lineNIPRO CORP·Filed 2001·Granted Dec 30, 2003·5 cites·8 claims
- 0930USD472628SDental drug syringeNIPRO CORP·Filed 2001·Granted Apr 1, 2003·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →