Inventor · disambiguated record
Tetsuyuki Doi
Also filed as: DOI TETSUYUKI
29 granted patents·248 citations·filing 1977–2008
97Inventor score
Top patents by PatentIndex Score
29 records- 0197USD255417SPortable electric grinderRYOBI LTD·Filed 1977·Granted Jun 17, 1980·45 cites·1 claims
- 0295USD287814SElectric drillRYOBI LTD·Filed 1984·Granted Jan 20, 1987·42 cites·1 claims
- 0380USD260804SFishing reelRYOBI LTD·Filed 1979·Granted Sep 15, 1981·13 cites·1 claims
- 0464USD321000SOffset printing machineRYOBI LTD·Filed 1990·Granted Oct 22, 1991·12 cites·1 claims
- 0564USD281663SCircular sawTSURU HITOSHI·Filed 1983·Granted Dec 10, 1985·11 cites·1 claims
- 0664USD257688SFishing spinning reelRYOBI LTD·Filed 1978·Granted Dec 23, 1980·7 cites·1 claims
- 0763USD323844SOffset printing machineRYOBI LTD·Filed 1989·Granted Feb 11, 1992·10 cites·1 claims
- 0862USD290966SPrinting machineRYOBI LTD·Filed 1985·Granted Jul 21, 1987·9 cites·1 claims
- 0961USD530168SSoldering ironTAIYO ELECTRIC IND CO LTD·Filed 2005·Granted Oct 17, 2006·13 cites·1 claims
- 1061USD257445SFishing reelRYOBI LTD·Filed 1979·Granted Oct 21, 1980·6 cites·1 claims
- 1160USD324696SOffset printing machineRYOBI LTD·Filed 1988·Granted Mar 17, 1992·8 cites·1 claims
- 1260USD324537SOffset printing machineRYOBI LTD·Filed 1989·Granted Mar 10, 1992·8 cites·1 claims
- 1360USD261411SFishing rod gripRYOBI LTD·Filed 1980·Granted Oct 20, 1981·7 cites·1 claims
- 1457USD341155SOffset printing machineRYOBI LTD·Filed 1992·Granted Nov 9, 1993·8 cites·1 claims
- 1556USD332797SOffset printing machineRYOBI LTD·Filed 1991·Granted Jan 26, 1993·8 cites·1 claims
- 1656USD332464SOffset printing machineRYOBI LTD·Filed 1991·Granted Jan 12, 1993·8 cites·1 claims
- 1753USD324538SOffset printing machineRYOBI LTD·Filed 1989·Granted Mar 10, 1992·6 cites·1 claims
- 1852USD251692SPrinting machineRYOBI LTD·Filed 1977·Granted Apr 24, 1979·4 cites·1 claims
- 1948USD258977SFishing rod gripRYOBI LTD·Filed 1979·Granted Apr 21, 1981·3 cites·1 claims
- 2047USD300843SFishing reelRYOBI LTD·Filed 1987·Granted Apr 25, 1989·4 cites·1 claims
- 2147USD284546SCutterRYOBI LTD·Filed 1983·Granted Jul 8, 1986·3 cites·1 claims
- 2243USD324876SOffset printing machineRYOBI LTD·Filed 1989·Granted Mar 24, 1992·3 cites·1 claims
- 2343USD300055SFishing reelRYOBI LTD·Filed 1986·Granted Feb 28, 1989·3 cites·1 claims
- 2442USD259205SFishing spinning reelRYOBI LTD·Filed 1978·Granted May 12, 1981·2 cites·1 claims
- 2539USD300842SFishing reelRYOBI LTD·Filed 1987·Granted Apr 25, 1989·3 cites·1 claims
- 2636USD299849SFishing reelRYOBI LTD·Filed 1986·Granted Feb 14, 1989·1 cites·1 claims
- 2731USD256043SFishing spinning reel body or the likeRYOBI LTD·Filed 1978·Granted Jul 22, 1980·0 cites·1 claims
- 2830USD302173SNumbering machineRYOBI LTD·Filed 1986·Granted Jul 11, 1989·0 cites·1 claims
- 2924USD602793SFlowmeterTAIYO ELECTRIC IND CO LTD·Filed 2008·Granted Oct 27, 2009·1 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Tetsuyuki Doi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →