Inventor · disambiguated record
Naotatsu Asahi
Also filed as: ASAHI NAOTATSU · KASAI MASATAKA
12 granted patents·313 citations·filing 1975–1989
93Inventor score
Top patents by PatentIndex Score
12 records- 0190US4873150AHigh water-resistant member, and valve gear using the same for use in internal combustion engineHITACHI LTD·Filed 1987·Granted Oct 10, 1989·63 cites·37 claims
- 0287US4077810AAluminum alloys having improved mechanical properties and workability and method of making sameHITACHI LTD·Filed 1975·Granted Mar 7, 1978·48 cites·23 claims
- 0383US4163266AMagnetic tape scanning assembly for use in video tape recorder and playback apparatusHITACHI LTD·Filed 1978·Granted Jul 31, 1979·24 cites·17 claims
- 0480US4507643AGas sensor with improved perovskite type materialSUNANO NAOMASA·Filed 1983·Granted Mar 26, 1985·43 cites·16 claims
- 0573US4608232AGas sensorHITACHI LTD·Filed 1982·Granted Aug 26, 1986·29 cites·12 claims
- 0667US5035677AA universal power transmission joint having a pair of drive pins fixed in parallel by a tie memberHITACHI LTD·Filed 1989·Granted Jul 30, 1991·17 cites·12 claims
- 0764US4924690AMethod and apparatus for plastically forming helical internal gears and helical gearsMH CENTER LTD·Filed 1988·Granted May 15, 1990·23 cites·4 claims
- 0858US4486462AMethod for coating by glow dischargeHITACHI LTD·Filed 1982·Granted Dec 4, 1984·14 cites·17 claims
- 0955US4713646AGas sensor and method of producing the sameSHINYEI KAISHA·Filed 1985·Granted Dec 15, 1987·15 cites·26 claims
- 1051US5009070ACombustion apparatus for gas turbineHITACHI LTD·Filed 1987·Granted Apr 23, 1991·20 cites·5 claims
- 1146US4394234AMethod of processing electrically conductive material by glow dischargeHITACHI LTD·Filed 1980·Granted Jul 19, 1983·11 cites·20 claims
- 1243US4392296AMethod of joining two metal membersHITACHI LTD·Filed 1980·Granted Jul 12, 1983·6 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →