Inventor · disambiguated record
Toshio Akesaka
Also filed as: AKESAKA TOSHIO
36 granted patents·589 citations·filing 1980–1998
98Inventor score
Files withISEKI KAIHATSU KOKI32ISEKI KAIHATSU KAKI KK1KABUSHIKIKAISHA ISEKIKAIHATSU1TOA GROUT KOGYO CO1TOHO GAS KK1
Top patents by PatentIndex Score
36 records- 0188US4311344AShield-type tunneling machine with toggle controlled bit plates in cutter discISEKI KAIHATSU KOKI·Filed 1980·Granted Jan 19, 1982·32 cites·4 claims
- 0287US4406498AShield tunneling method and machine thereforISEKI KAIHATSU KOKI·Filed 1981·Granted Sep 27, 1983·30 cites·12 claims
- 0382US4624605AShield tunneling apparatusISEKI KAIHATSU KOKI·Filed 1984·Granted Nov 25, 1986·22 cites·3 claims
- 0474US5035539ALiner for pipeline repair and method for repairing pipelinesTOA GROUT KOGYO CO·Filed 1990·Granted Jul 30, 1991·46 cites·19 claims
- 0571US4311411APipe jacking apparatusISEKI KAIHATSU KOKI·Filed 1980·Granted Jan 19, 1982·20 cites·4 claims
- 0670US5296915AMethod and apparatus for controlling direction of excavating machineISEKI KAIHATSU KOKI·Filed 1992·Granted Mar 22, 1994·31 cites·18 claims
- 0770US4662606APipe propelling deviceISEKI KAIHATSU KOKI·Filed 1985·Granted May 5, 1987·16 cites·4 claims
- 0864US4964580ACrushing machineISEKI KAIHATSU KOKI·Filed 1989·Granted Oct 23, 1990·15 cites·7 claims
- 0964US4886396AExisting pipeline renewing method and apparatus thereforISEKI KAIHATSU KOKI·Filed 1988·Granted Dec 12, 1989·26 cites·36 claims
- 1059US4869619AMethod for excavating hole and apparatus thereforISEKI KAIHATSU KOKI·Filed 1988·Granted Sep 26, 1989·15 cites·13 claims
- 1157US4692062AShield type tunneling machineISEKI KAIHATSU KOKI·Filed 1985·Granted Sep 8, 1987·26 cites·5 claims
- 1256US5393172AShield tunneling machineISEKI KAIHATSU KOKI·Filed 1993·Granted Feb 28, 1995·29 cites·4 claims
- 1355US4691787AEarth augerISEKI KAIHATSU KOKI·Filed 1986·Granted Sep 8, 1987·14 cites·6 claims
- 1454US4936441AVertical type conveyorISEKI KAIHATSU KAKI KK·Filed 1989·Granted Jun 26, 1990·14 cites·4 claims
- 1553US5102201AShield tunnelling machineISEKI KAIHATSU KOKI·Filed 1990·Granted Apr 7, 1992·21 cites·9 claims
- 1652US5392897AConveyorISEKI KAIHATSU KOKI·Filed 1993·Granted Feb 28, 1995·14 cites·4 claims
- 1751US5061120ADirection correcting device for shield tunnelling machineISEKI KAIHATSU KOKI·Filed 1990·Granted Oct 29, 1991·19 cites·6 claims
- 1849US5078545AMethod for boring hole in the ground and apparatus thereforISEKI KAIHATSU KOKI·Filed 1990·Granted Jan 7, 1992·17 cites·12 claims
- 1949US4915543AExisting pipeline renewing method and apparatus thereforISEKI KAIHATSU KOKI·Filed 1989·Granted Apr 10, 1990·19 cites·20 claims
- 2047US4830539APipe propelling apparatusISEKI KAIHATSU KOKI·Filed 1988·Granted May 16, 1989·13 cites·5 claims
- 2147US4630869AShield tunneling machineISEKI KAIHATSU KOKI·Filed 1985·Granted Dec 23, 1986·18 cites·6 claims
- 2246US5193938AMethod and apparatus for laying pipeISEKI KAIHATSU KOKI·Filed 1991·Granted Mar 16, 1993·15 cites·10 claims
- 2344US5123708AShield tunnelling machineISEKI KAIHATSU KOKI·Filed 1990·Granted Jun 23, 1992·18 cites·9 claims
- 2443US5050727AConveying method and conveyor apparatusKABUSHIKIKAISHA ISEKIKAIHATSU·Filed 1989·Granted Sep 24, 1991·9 cites·14 claims
- 2542US4898498AThrust transmitting deviceISEKI KAIHATSU KOKI·Filed 1988·Granted Feb 6, 1990·10 cites·5 claims
- 2641US5054976AInside processing apparatusISEKI KAIHATSU KOKI·Filed 1990·Granted Oct 8, 1991·12 cites·10 claims
- 2741US4874268AMethod and apparatus for building pipeline and shield tunnelling machineISEKI KAIHATSU KOKI·Filed 1988·Granted Oct 17, 1989·12 cites·4 claims
- 2838US6149346AMethod for replacement of existing pipes and device for carrying out the methodTOHO GAS KK·Filed 1998·Granted Nov 21, 2000·14 cites·8 claims
- 2938US5797202AVertical hole excavating machineISEKI KAIHATSU KOKI·Filed 1995·Granted Aug 25, 1998·10 cites·15 claims
- 3038US4886394AShield tunneling machineISEKI KAIHATSU KOKI·Filed 1988·Granted Dec 12, 1989·10 cites·10 claims
- 3137US5013189AIntermediate pipe-jacking apparatusISEKI KAIHATSU KOKI·Filed 1990·Granted May 7, 1991·9 cites·9 claims
- 3236US4815695APipe propelling deviceISEKI KAIHATSU KOKI·Filed 1986·Granted Mar 28, 1989·3 cites·6 claims
- 3330US5538362AShield excavatorISEKI KAIHATSU KOKI·Filed 1995·Granted Jul 23, 1996·7 cites·16 claims
- 3430US5370479AShielding apparatusISEKI KAIHATSU KOKI·Filed 1993·Granted Dec 6, 1994·1 cites·9 claims
- 3527US5157982ARotary actuatorISEKI KAIHATSU KOKI·Filed 1991·Granted Oct 27, 1992·1 cites·3 claims
- 3625US5190407ARectangular shield excavating machineISEKI KAIHATSU KOKI·Filed 1992·Granted Mar 2, 1993·1 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →