Inventor · disambiguated record
Katsumi Fukumoto
Also filed as: FUKUMOTO KATSUMI
21 granted patents·947 citations·filing 1980–2004
97Inventor score
Top patents by PatentIndex Score
21 records- 0197US7057922B2Nonvolatile semiconductor memory deviceSHARP KK·Filed 2004·Granted Jun 6, 2006·152 cites·25 claims
- 0296US6240032B1Non-volatile semiconductor memory allowing user to enter various refresh commandsSHARP KK·Filed 1998·Granted May 29, 2001·159 cites·19 claims
- 0393US5619470ANon-volatile dynamic random access memorySHARP KK·Filed 1995·Granted Apr 8, 1997·107 cites·26 claims
- 0488US6370058B1Non-volatile semiconductor memory device and system LSI including the sameSHARP KK·Filed 2000·Granted Apr 9, 2002·51 cites·13 claims
- 0588US4934989ABelt transmissionKUBOTA LTD·Filed 1989·Granted Jun 19, 1990·45 cites·23 claims
- 0685US6006313ASemiconductor memory device that allows for reconfiguration around defective zones in a memory arraySHARP KK·Filed 1996·Granted Dec 21, 1999·60 cites·18 claims
- 0782US5673222ANonvolatile semiconductor memory deviceSHARP KK·Filed 1996·Granted Sep 30, 1997·61 cites·32 claims
- 0875US5381379ANon-volatile dynamic random access memory device; a page store device and a page recall device used in the same; and a page store method and a page recall methodSHARP KK·Filed 1993·Granted Jan 10, 1995·35 cites·27 claims
- 0973US5287319ANonvolatile semiconductor memory deviceSHARP KK·Filed 1991·Granted Feb 15, 1994·32 cites·5 claims
- 1070US5181188ASemiconductor memory deviceSHARP KK·Filed 1990·Granted Jan 19, 1993·29 cites·18 claims
- 1169US6865658B2Nonvolatile data management system using data segments and link informationSHARP KK·Filed 2001·Granted Mar 8, 2005·17 cites·34 claims
- 1269US5396461ANon-volatile dynamic random access memory deviceSHARP KK·Filed 1994·Granted Mar 7, 1995·27 cites·11 claims
- 1369US5153853AMethod and apparatus for measuring EEPROM threshold voltages in a nonvolatile DRAM memory deviceSHARP KK·Filed 1990·Granted Oct 6, 1992·31 cites·9 claims
- 1467US5488587ANon-volatile dynamic random access memorySHARP KK·Filed 1994·Granted Jan 30, 1996·26 cites·20 claims
- 1565US6000004ANonvolatile semiconductor memory device with write protect data settings for disabling erase from and write into a block, and erase and re-erase settings for enabling write into and erase from a blockSHARP KK·Filed 1997·Granted Dec 7, 1999·47 cites·12 claims
- 1661US5414671ASemiconductor memory device having operation control means with data judging functionSHARP KABUSHIMI KAISHA·Filed 1991·Granted May 9, 1995·25 cites·12 claims
- 1758US4962636AMowerKUBOTA LTD·Filed 1989·Granted Oct 16, 1990·17 cites·23 claims
- 1849US4941863AStepless speed change mechanism in belt transmission deviceKUBOTA LTD·Filed 1989·Granted Jul 17, 1990·11 cites·22 claims
- 1943US4299348AMethod of making a game racketMANSEI KOGYO KK·Filed 1980·Granted Nov 10, 1981·7 cites·6 claims
- 2039US5146431AMethod and apparatus for page recall of data in an nonvolatile DRAM memory deviceSHARP KK·Filed 1990·Granted Sep 8, 1992·8 cites·9 claims
- 2134US7187582B2Erroneous operation preventing circuit of non-volatile memory deviceSHARP KK·Filed 2004·Granted Mar 6, 2007·0 cites·10 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →