Inventor · disambiguated record
Akitaka Fujita
Also filed as: FUJITA AKITAKA
3 granted patents·110 citations·filing 1994–1994
75Inventor score
Top patents by PatentIndex Score
3 records- 0167US5501548AMethod for controlling the direction of a shield tunneling machine and an apparatus thereforTOKYO GAS CO LTD·Filed 1994·Granted Mar 26, 1996·38 cites·2 claims
- 0261US5484232AMethod for injecting lubricant and filler in the pipe-jacking methodTOKYO GAS CO LTD·Filed 1994·Granted Jan 16, 1996·42 cites·13 claims
- 0353US5527135AMethod for injecting lubricant or back-filling material into a space between the outside of double-wall pipes and the ground in the pipe-jacking method and an apparatus thereforISEKI KAIHATSU KOKI·Filed 1994·Granted Jun 18, 1996·30 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →