Inventor · disambiguated record
Keiichi Akiyama
Also filed as: AKIYAMA KEIICHI
9 granted patents·75 citations·filing 1975–1997
87Inventor score
Files withALPS ELECTRIC CO LTD5TOSHIBA CHEM PROD2ALUMINUM ALLOY REFINERS ASS1JAPAN ALUMINIUM ALLOY REFINERS1
Top patents by PatentIndex Score
9 records- 0171US4107153AHeat-resistant thermosetting polyimide resinTOSHIBA CHEM PROD·Filed 1975·Granted Aug 15, 1978·27 cites·6 claims
- 0266US4956677ACleaning device for image forming apparatusALPS ELECTRIC CO LTD·Filed 1989·Granted Sep 11, 1990·15 cites·6 claims
- 0345US6011573AManufacturing apparatus for thermal transfer recording medium and renewing apparatus of thermal transfer recording mediumALPS ELECTRIC CO LTD·Filed 1997·Granted Jan 4, 2000·7 cites·10 claims
- 0445US5049905AImage forming method, exposure method, image forming apparatus and deposited toner layer control apparatusALPS ELECTRIC CO LTD·Filed 1988·Granted Sep 17, 1991·7 cites·6 claims
- 0541US4071373AProcess for the manufacture of aluminous cement from aluminum smelting residueALUMINUM ALLOY REFINERS ASS·Filed 1976·Granted Jan 31, 1978·9 cites·3 claims
- 0636US4785317ADouble-side printerALPS ELECTRIC CO LTD·Filed 1987·Granted Nov 15, 1988·4 cites·5 claims
- 0731US4097545AHeat-resistant thermosetting polyimide resin with bis-phenol-epichlorohydrin reaction productTOSHIBA CHEM PROD·Filed 1976·Granted Jun 27, 1978·3 cites·8 claims
- 0829US5220392AElectrophotographic printerALPS ELECTRIC CO LTD·Filed 1992·Granted Jun 15, 1993·1 cites·14 claims
- 0922US4330336AMethod of producing low-line aluminous cement from aluminum smelting residueJAPAN ALUMINIUM ALLOY REFINERS·Filed 1981·Granted May 18, 1982·2 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →