Inventor · disambiguated record
Akira Utsunomiya
Also filed as: UTSUNOMIYA AKIRA
12 granted patents·1 pending application·223 citations·filing 1987–2023
92Inventor score
Files withMITSUBISHI CHEM CORP6MITSUBISHI CHEM IND2NIPPON PAINT SURF CHEMICALS CO LTD2HODOGAYA CHEMICAL CO LTD1KIMMON MANUFACTURING CO LTD AN1
Top patents by PatentIndex Score
13 records- 0187US6692665B2Lithium managanese oxide, cathode material for lithium secondary battery, cathode, lithium secondary battery and process for manufacturing lithium manganese oxideMITSUBISHI CHEM CORP·Filed 2001·Granted Feb 17, 2004·33 cites·10 claims
- 0281US5516350AProcess for producing synthetic quartz glass powderKIMMON MANUFACTURING CO LTD AN·Filed 1994·Granted May 14, 1996·34 cites·5 claims
- 0372US5145510ASilica glass powder and a method for its production and a silica glass body product made thereofMITSUBISHI CHEM IND·Filed 1991·Granted Sep 8, 1992·35 cites·17 claims
- 0467US12497700B2Aqueous surface treatment agent and surface-treated metalNIPPON PAINT SURF CHEMICALS CO LTD·Filed 2023·Granted Dec 16, 2025·0 cites·7 claims
- 0563US6071838ASilica gel, synthetic quartz glass powder, quartz glass shaped product molding, and processes for producing theseMITSUBISHI CHEM CORP·Filed 1996·Granted Jun 6, 2000·25 cites·7 claims
- 0661US5604163ASynthetic silica glass powderMITSUBISHI CHEM CORP·Filed 1995·Granted Feb 18, 1997·22 cites·7 claims
- 0760US4797265AProcess for the production of highly concentrated phosphoric acidMITSUI TOATSU CHEMICALS·Filed 1987·Granted Jan 10, 1989·18 cites·14 claims
- 0858US2025003077A1Aqueous surface treatment agent and surface-treated metalNIPPON PAINT SURF CHEMICALS CO LTD·Filed 2022·Application pending·0 cites
- 0956US5114881AProcess for producing a ceramic preformMITSUBISHI CHEM IND·Filed 1991·Granted May 19, 1992·15 cites·25 claims
- 1054US6225245B1Silica gel, synthetic quartz glass powder and shaped product of quartz glassMITSUBISHI CHEM CORP·Filed 1997·Granted May 1, 2001·16 cites·17 claims
- 1153US6131409AProcess for producing a high purity synthetic quartzMITSUBISHI CHEM CORP·Filed 1996·Granted Oct 17, 2000·12 cites·14 claims
- 1243US6110852AProcess for producing synthetic quartz glass powderMITSUBISHI CHEM CORP·Filed 1995·Granted Aug 29, 2000·12 cites·9 claims
- 1339US5641884ASpiro-naphtho-oxazine compound and photosensitive materials using the sameHODOGAYA CHEMICAL CO LTD·Filed 1994·Granted Jun 24, 1997·1 cites·24 claims
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