Inventor · disambiguated record
Toshio Koyama
Also filed as: KOYAMA TOSHIO
25 granted patents·1 pending application·755 citations·filing 1983–2021
97Inventor score
Files withSONY CORP13FUJI XEROX CO LTD5SUMITOMO RUBBER IND5NIPPON KOGAKU KK1NIPPON STEEL SEMICONDUCTOR1
Top patents by PatentIndex Score
26 records- 0188US6003575APneumatic tire including sipesSUMITOMO RUBBER IND·Filed 1997·Granted Dec 21, 1999·70 cites·12 claims
- 0284US6522361B2Electronic apparatus having the function of displaying the battery residual quantity and method for displaying the battery residual quantitySONY CORP·Filed 1997·Granted Feb 18, 2003·67 cites·35 claims
- 0383US5872444ABattery charging device method for charging battery pack and battery packSONY CORP·Filed 1997·Granted Feb 16, 1999·93 cites·20 claims
- 0481US4955415APneumatic radial tire with groove platforms to prevent stone entrapmentSUMITOMO RUBBER IND·Filed 1988·Granted Sep 11, 1990·32 cites·2 claims
- 0580US6008620ABattery charging device, method for charging battery pack and battery packSONY CORP·Filed 1998·Granted Dec 28, 1999·73 cites·14 claims
- 0675US5748237ABacklighting and color control arrangement for LCD type video camera viewfinder having multiple backlighting sourcesSONY CORP·Filed 1997·Granted May 5, 1998·51 cites·16 claims
- 0771US5699115AElectronic viewfinder having means for turning off a display deviceSONY CORP·Filed 1995·Granted Dec 16, 1997·41 cites·22 claims
- 0870US9421827B2Pneumatic tireSUMITOMO RUBBER IND·Filed 2013·Granted Aug 23, 2016·1 cites·9 claims
- 0969US5428378AInk jet recording device and head unitFUJI XEROX CO LTD·Filed 1993·Granted Jun 27, 1995·26 cites·16 claims
- 1067US5999102ABattery packSONY CORP·Filed 1998·Granted Dec 7, 1999·29 cites·7 claims
- 1167US5422666ARecording method in inkjet recording apparatusFUJI XEROX CO LTD·Filed 1993·Granted Jun 6, 1995·22 cites·5 claims
- 1266US5905362ABattery charging device, method for charging battery pack by switching between maximum charging voltage and maximum charging currentSONY CORP·Filed 1998·Granted May 18, 1999·42 cites·11 claims
- 1366US5805069ABattery packSONY CORP·Filed 1996·Granted Sep 8, 1998·28 cites·12 claims
- 1464USD288080SAutomobile tireSUMITOMO RUBBER IND·Filed 1984·Granted Feb 3, 1987·8 cites·1 claims
- 1561US5368402ASerial printer capable of promptly detecting abnormality in head carriage movementFUJI XEROX CO LTD·Filed 1993·Granted Nov 29, 1994·20 cites·6 claims
- 1660US6181146B1Burn-in boardNIPPON STEEL SEMICONDUCTOR·Filed 1997·Granted Jan 30, 2001·22 cites·6 claims
- 1759US6170546B1Heavy duty pneumatic tire including variable width grooves and constant width groovesSUMITOMO RUBBER IND·Filed 1998·Granted Jan 9, 2001·20 cites·9 claims
- 1859US5596355AColor ink jet recording apparatus capable of high-quality printing of black portionsFUJI XEROX CO LTD·Filed 1993·Granted Jan 21, 1997·27 cites·7 claims
- 1952US6225783B1Battery charge controlled as function of operating modeSONY CORP·Filed 1999·Granted May 1, 2001·23 cites·23 claims
- 2051US2021405586A1Watch Dial And WatchSEIKO EPSON CORP·Filed 2021·Application pending·0 cites
- 2145US6485861B2Battery pack, battery charger and an electronic device using a battery packSONY CORP·Filed 1999·Granted Nov 26, 2002·20 cites·3 claims
- 2245US6157309ABattery packSONY CORP·Filed 1999·Granted Dec 5, 2000·11 cites·7 claims
- 2345US5689172ACharging battery system for video cameraSONY CORP·Filed 1996·Granted Nov 18, 1997·21 cites·9 claims
- 2442US5606350AInk jet recording apparatus operative to provide quality printing on hydrophilic and hydrophobic recording mediaFUJI XEROX CO LTD·Filed 1995·Granted Feb 25, 1997·7 cites·3 claims
- 2526US4525049AMotor driving device of a cameraNIPPON KOGAKU KK·Filed 1983·Granted Jun 25, 1985·0 cites·10 claims
- 2621US5912704AVTR with digitally-interfaced camera unit and viewfinderSONY CORP·Filed 1993·Granted Jun 15, 1999·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →