Assignee
MASAYUKI ISHIKAWA
JP·10 granted patents·77 citations·filing 1975–2012
Top patents by PatentIndex Score
10 records- 0189US4276295A3-Aromatic moiety substituted-4(3H)-quinazolinones, process for production thereof, and use thereofMASAYUKI ISHIKAWA·Filed 1979·Granted Jun 30, 1981·23 cites·14 claims
- 0282US4405623AQuinazolinde-dione compounds, process for production thereof and pharmaceutical use thereofMASAYUKI ISHIKAWA·Filed 1981·Granted Sep 20, 1983·21 cites·14 claims
- 0380US4451467A4(3H)-Quinazolinone derivatives, process for production thereof, and pharmaceutical compositions comprising said compoundsMASAYUKI ISHIKAWA·Filed 1982·Granted May 29, 1984·15 cites·19 claims
- 0480US4011250A1α, 2α-Dihydroxycholecalciferol and process for preparing the sameMASAYUKI ISHIKAWA·Filed 1975·Granted Mar 8, 1977·13 cites·1 claims
- 0566US9816499B2Electric compressor with blocking plateMASAYUKI ISHIKAWA·Filed 2012·Granted Nov 14, 2017·1 cites·3 claims
- 0654US8721961B2Au—Sn alloy bump including no large void and method of producing sameMASAYUKI ISHIKAWA·Filed 2005·Granted May 13, 2014·0 cites·7 claims
- 0752US9707664B2Zinc-based alloy shotMASAYUKI ISHIKAWA·Filed 2011·Granted Jul 18, 2017·0 cites·8 claims
- 0848US4293553A1-Phthalazone derivatives, and use thereofMASAYUKI ISHIKAWA·Filed 1979·Granted Oct 6, 1981·2 cites·28 claims
- 0947US4182876ASubstituted-phthalazone 7-carboxylic acid and salts and process for preparing sameMASAYUKI ISHIKAWA·Filed 1977·Granted Jan 8, 1980·2 cites·11 claims
- 1045US8427244B2Oscillation circuit and frequency-correcting oscillation circuitMASAYUKI ISHIKAWA·Filed 2011·Granted Apr 23, 2013·0 cites·7 claims
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