Inventor · disambiguated record
Yuzuru Doi
Also filed as: DOI YUZURU
12 granted patents·883 citations·filing 1977–1998
94Inventor score
Top patents by PatentIndex Score
12 records- 0186US4971034ABody cavity pressure adjusting device for endoscope and laser medical treatment apparatus including body cavity pressure adjusting deviceASAHI OPTICAL CO LTD·Filed 1989·Granted Nov 20, 1990·260 cites·82 claims
- 0286US4421382AFiber retaining device for power laserASAHI OPTICAL CO LTD·Filed 1981·Granted Dec 20, 1983·56 cites·1 claims
- 0385US4461283AEndoscopic laser coagulatorMEDOS KENKYUSHO KK·Filed 1982·Granted Jul 24, 1984·186 cites·9 claims
- 0478US4385832ALaser power transmitting optical fiber damage detecting deviceDOI YUZURU·Filed 1980·Granted May 31, 1983·49 cites·6 claims
- 0573US4730885ALaser fiber connectorASAHI OPTICAL CO LTD·Filed 1986·Granted Mar 15, 1988·26 cites·2 claims
- 0670US4543477ASafety device for detecting trouble in optical transmission fibersASAHI OPTICAL CO LTD·Filed 1983·Granted Sep 24, 1985·85 cites·10 claims
- 0762US6033359AEndoscopic length-measuring toolASAHI OPTICAL CO LTD·Filed 1998·Granted Mar 7, 2000·108 cites·10 claims
- 0849US4676242ALaser knifeASAHI OPTICAL CO LTD·Filed 1986·Granted Jun 30, 1987·35 cites·6 claims
- 0948US5058603ALength-measuring device and reference color display device for color tone adjustment for use in combination with endoscopeASAHI OPTICAL CO LTD·Filed 1989·Granted Oct 22, 1991·34 cites·77 claims
- 1047US4132036AAdjusting structure in an aspheric lens grinding apparatusASAHI OPTICAL CO LTD·Filed 1977·Granted Jan 2, 1979·6 cites·8 claims
- 1142US4716288ASecurity device for detecting defects in transmitting fiberASAHI OPTICAL CO LTD·Filed 1986·Granted Dec 29, 1987·22 cites·16 claims
- 1236US4783787ALaser beam generating device with multiple power levelsASAHI OPTICAL CO LTD·Filed 1986·Granted Nov 8, 1988·16 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →