Inventor · disambiguated record
Katsuji Ishikawa
Also filed as: ISHIKAWA KATSUJI
28 granted patents·333 citations·filing 1974–2007
97Inventor score
Files withWEST ELECTRIC CO20AISAN IND4KOMATSU MFG CO LTD2INA HIROHIKO1PANASONIC PHOTO & LIGHTING CO1
Top patents by PatentIndex Score
28 records- 0190US4065776ACamera with automatic flash exposure systemWEST ELECTRIC CO·Filed 1975·Granted Dec 27, 1977·20 cites·6 claims
- 0290US4005448AProgrammed shutterWEST ELECTRIC CO·Filed 1974·Granted Jan 25, 1977·17 cites·13 claims
- 0389US4702583ADrive device for lens barrel and diaphragm shutterWEST ELECTRIC CO·Filed 1986·Granted Oct 27, 1987·32 cites·3 claims
- 0488US4053907AProgram-controlled shutterWEST ELECTRIC CO·Filed 1975·Granted Oct 11, 1977·18 cites·9 claims
- 0583US4084169AAutomatic film advancing systemWEST ELECTRIC CO·Filed 1976·Granted Apr 11, 1978·13 cites·5 claims
- 0683US4009866AExposure control deviceWEST ELECTRIC CO·Filed 1975·Granted Mar 1, 1977·13 cites·4 claims
- 0781US6777852B2Stator core of torque motorAISAN IND·Filed 2003·Granted Aug 17, 2004·29 cites·7 claims
- 0877US4079390AAperture setting device for use with exposure control deviceWEST ELECTRIC CO·Filed 1975·Granted Mar 14, 1978·10 cites·15 claims
- 0975US4632530AAutomatic film winding systemWEST ELECTRIC CO·Filed 1981·Granted Dec 30, 1986·12 cites·4 claims
- 1073US5764124AIgnition coil for an internal combustion engineAISAN IND·Filed 1996·Granted Jun 9, 1998·29 cites·22 claims
- 1173US4531157AMethod and apparatus for automatic focusing in video cameraWEST ELECTRIC CO·Filed 1983·Granted Jul 23, 1985·20 cites·6 claims
- 1272US4041512ALight control deviceWEST ELECTRIC CO·Filed 1975·Granted Aug 9, 1977·8 cites·21 claims
- 1372US4021826ACamera control deviceWEST ELECTRIC CO·Filed 1975·Granted May 3, 1977·8 cites·10 claims
- 1471US7137614B2Valve devices for controlling flow of intake airAISAN IND·Filed 2004·Granted Nov 21, 2006·16 cites·17 claims
- 1571US4472742AVideo and sound recording device with automatic focusing systemWEST ELECTRIC CO·Filed 1982·Granted Sep 18, 1984·20 cites·6 claims
- 1671US3997905AProgram-controlled shutterWEST ELECTRIC CO·Filed 1975·Granted Dec 14, 1976·8 cites·15 claims
- 1769US6960069B2Arrangement structure of swash plate hydraulic pump hydraulic pumpKOMATSU MFG CO LTD·Filed 2002·Granted Nov 1, 2005·9 cites·24 claims
- 1868US4017872AShutter for cameraWEST ELECTRIC CO·Filed 1975·Granted Apr 12, 1977·7 cites·4 claims
- 1968US4016574AProgram-controlled shutterWEST ELECTRIC CO·Filed 1975·Granted Apr 5, 1977·7 cites·19 claims
- 2057US4695144ADrive apparatus of lens and exposure mechanism by motorWEST ELECTRIC CO·Filed 1986·Granted Sep 22, 1987·18 cites·14 claims
- 2148US5781092AIgnition coil for an internal combustion engineAISAN IND·Filed 1996·Granted Jul 14, 1998·11 cites·7 claims
- 2241US8339051B2Electronic flash unit and manufacturing method thereofINA HIROHIKO·Filed 2007·Granted Dec 25, 2012·0 cites·9 claims
- 2337US4224555AElectronic flash with automatic duration controlWEST ELECTRIC CO·Filed 1978·Granted Sep 23, 1980·1 cites·2 claims
- 2436US4487494AAutomatic focusing apparatus using ultrasonic waveWEST ELECTRIC CO·Filed 1983·Granted Dec 11, 1984·4 cites·6 claims
- 2533US7652434B2Electronic flash unit and manufacturing method thereofPANASONIC PHOTO & LIGHTING CO·Filed 2002·Granted Jan 26, 2010·0 cites·13 claims
- 2633US4613286AConstant torque control system for a variable displacement pump or pumpsKOMATSU MFG CO LTD·Filed 1984·Granted Sep 23, 1986·3 cites·8 claims
- 2730US4467362AApparatus and method for transmitting ultrasonic waveWEST ELECTRIC CO·Filed 1982·Granted Aug 21, 1984·0 cites·3 claims
- 2830US4072963AProgramme-controlled shutterWEST ELECTRIC CO·Filed 1976·Granted Feb 7, 1978·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →