Inventor · disambiguated record
Masaaki Hoshiba
Also filed as: HOSHIBA MASAAKI
5 granted patents·38 citations·filing 1995–1999
78Inventor score
Files withMITSUBISHI PENCIL CO5
Top patents by PatentIndex Score
5 records- 0163US5595589ABaked color pencil lead and method of manufacturing the sameMITSUBISHI PENCIL CO·Filed 1996·Granted Jan 21, 1997·18 cites·18 claims
- 0240US5813216ASolid writing tool and method of erasing lines drawn therewithMITSUBISHI PENCIL CO·Filed 1995·Granted Sep 29, 1998·6 cites·5 claims
- 0339US5911814ABaked color pencil lead and process for producing the sameMITSUBISHI PENCIL CO·Filed 1998·Granted Jun 15, 1999·6 cites·4 claims
- 0432US6645279B1Baked colored pencil lead and process for producing the sameMITSUBISHI PENCIL CO·Filed 1999·Granted Nov 11, 2003·4 cites·8 claims
- 0530US5733482ABaked color pencil lead manufactured by impregnation with perhydropolysilazane and heat treatmentMITSUBISHI PENCIL CO·Filed 1995·Granted Mar 31, 1998·4 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →