Inventor · disambiguated record
Yutaka Okumoto
Also filed as: OKUMOTO YUTAKA
35 granted patents·279 citations·filing 1976–2001
97Inventor score
Top patents by PatentIndex Score
35 records- 0169US4916272APerforating apparatus for webJAPAN TOBACCO INC·Filed 1989·Granted Apr 10, 1990·22 cites·9 claims
- 0269US4767909AMethod for perforating a sheet-shaped material and perforating apparatus utilizing pulsed laser beamsJAPAN TOBACCO INC·Filed 1987·Granted Aug 30, 1988·21 cites·19 claims
- 0360US4681505AStocker in reel supply apparatusJAPAN TOBACCO INC·Filed 1985·Granted Jul 21, 1987·13 cites·3 claims
- 0453US5746225AMethod and apparatus for determining the tobacco shred filling quality of cigarette rodsJAPAN TOBACCO INC·Filed 1997·Granted May 5, 1998·22 cites·12 claims
- 0552US4036238AApparatus for controlling amount of tobacco filler in cigarette manufacturing machineJAPAN TOBACCO & SALT PUBLIC·Filed 1976·Granted Jul 19, 1977·11 cites·8 claims
- 0648US5210390AApparatus for boring perforations in a web sheetJAPAN TOBACCO INC MACHINE TECH·Filed 1992·Granted May 11, 1993·13 cites·5 claims
- 0747US6394097B1Device and method for inspecting filter rod for cigaretteJAPAN TOBACCO INC·Filed 1999·Granted May 28, 2002·12 cites·8 claims
- 0847US4867734AApparatus for manufacturing dual filter plugs for cigarettes and method of manufacturing the sameJAPAN TOBACCO INC·Filed 1988·Granted Sep 19, 1989·17 cites·5 claims
- 0947US4860773APerforating apparatus for rod-shaped objectsJAPAN TOBACCO INC·Filed 1988·Granted Aug 29, 1989·10 cites·6 claims
- 1046US5305518AWork mounting apparatusJAPAN TOBACCO INC·Filed 1992·Granted Apr 26, 1994·12 cites·12 claims
- 1145US6234032B1Load measuring method and an apparatus thereforJAPAN TOBACCO INC·Filed 1998·Granted May 22, 2001·10 cites·5 claims
- 1245US5810016ACompression molding apparatus for a cut tobacco layer in a cigarette manufacturing machineJAPAN TOBACCO INC·Filed 1997·Granted Sep 22, 1998·13 cites·9 claims
- 1344US5234304AMethod and apparatus for workpiece installationJAPAN TOBACCO INC·Filed 1991·Granted Aug 10, 1993·14 cites·16 claims
- 1442US6508253B2Belt-type compression molding apparatus for a tobacco streamJAPAN TOBACCO INC·Filed 2001·Granted Jan 21, 2003·0 cites·13 claims
- 1541US4693261AContinuous cigarette rod cutting apparatus for a cigarette making machineJAPAN TOBACCO & SALT PUBLIC·Filed 1985·Granted Sep 15, 1987·7 cites·8 claims
- 1640US4671299ATobacco manufacturing machineJAPAN TOBACCO INC·Filed 1984·Granted Jun 9, 1987·6 cites·2 claims
- 1739US5636435AWork mounting apparatusJAPAN TOBACCO INC·Filed 1995·Granted Jun 10, 1997·11 cites·8 claims
- 1839US4638817ADevice for controlling contents of tobacco on cigarette machineJAPAN TOBACCO INC·Filed 1985·Granted Jan 27, 1987·7 cites·3 claims
- 1938US6173716B1Method and apparatus for inspecting cigarette densityJAPAN TOBACCO INC·Filed 1998·Granted Jan 16, 2001·6 cites·16 claims
- 2038US5813412ADevice for trimming shredded tobacco layer formed in cigarette manufacturing machineJAPAN TOBACCO INC·Filed 1997·Granted Sep 29, 1998·5 cites·4 claims
- 2138US4292522AMaterial density radiological measurement system with substantially linear outputJAPAN TOBACCO & SALT PUBLIC·Filed 1979·Granted Sep 29, 1981·5 cites·3 claims
- 2236US5497794ACigaretteJAPAN TOBACCO INC·Filed 1994·Granted Mar 12, 1996·5 cites·7 claims
- 2336US4766910AContent tobacco amount controlling device for a cigarette making machineJAPAN TOBACCO INC·Filed 1985·Granted Aug 30, 1988·5 cites·1 claims
- 2436US4607645AShredded tobacco supplying device for cigarette making machineJAPAN TOBACCO INC·Filed 1983·Granted Aug 26, 1986·7 cites·4 claims
- 2535US5337761ASystem and a method for manufacturing cigarettesJAPAN TOBACCO INC·Filed 1993·Granted Aug 16, 1994·4 cites·16 claims
- 2635US4693260AContinuous cigarette rod cutting apparatus for a cigarette making machineJAPAN TOBACCO & SALT PUBLIC·Filed 1985·Granted Sep 15, 1987·4 cites·7 claims
- 2734US4836221ADevice for controlling contents of tobacco on cigarette manufacturing machineJAPAN TOBACCO INC·Filed 1987·Granted Jun 6, 1989·3 cites·7 claims
- 2834US4660574AReel attaching and detaching deviceJAPAN TOBACCO INC·Filed 1985·Granted Apr 28, 1987·3 cites·6 claims
- 2933US5769096ADevice for trimming shredded tobacco layer formed in cigarette manufacturing machineJAPAN TOBACCO INC·Filed 1997·Granted Jun 23, 1998·1 cites·6 claims
- 3033US4920987ADevice for controlling the content of tobacco on a cigarette manufacturing machineJAPAN TOBACCO INC·Filed 1989·Granted May 1, 1990·2 cites·3 claims
- 3132US6135119ADevice for compressive molding stream of filler for tobacco rodJAPAN TOBACCO INC·Filed 1998·Granted Oct 24, 2000·1 cites·10 claims
- 3232US4619277ATobacco filter tip attaching apparatusJAPAN TOBACCO & SALT PUBLIC·Filed 1984·Granted Oct 28, 1986·3 cites·1 claims
- 3331US4640168AApparatus for cutting cigarettesJAPAN TOBACCO INC·Filed 1986·Granted Feb 3, 1987·1 cites·4 claims
- 3431US4635648AShredded tobacco feeding apparatus for cigarette making machineJAPAN TOBACCO INC·Filed 1984·Granted Jan 13, 1987·1 cites·6 claims
- 3530US5103841APerforating apparatus for cylindrical articlesJAPAN TOBACCO INC·Filed 1990·Granted Apr 14, 1992·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →