Inventor · disambiguated record
Katsuhiko Furuya
Also filed as: FURUYA KATSUHIKO
17 granted patents·264 citations·filing 1974–2002
94Inventor score
Files withASAHI OPTICAL CO LTD10KOKUSAI DENSHIN DENWA CO LTD3PENTAX CORP2ASAHI KOGAKU KK1MEDOS KENKYUSHO KK1
Top patents by PatentIndex Score
17 records- 0191US6881188B2Electronic endoscope system with liquid supply apparatusPENTAX CORP·Filed 2002·Granted Apr 19, 2005·60 cites·9 claims
- 0275US3987422ASystem for detecting signal quality of a phase-modulated waveKOKUSAI DENSHIN DENWA CO LTD·Filed 1974·Granted Oct 19, 1976·21 cites·7 claims
- 0367US6667436B2EMC core supporting structurePENTAX CORP·Filed 2002·Granted Dec 23, 2003·12 cites·16 claims
- 0467US4227160ATransversal type automatic equalizerKOKUSAI DENSHIN DENWA CO LTD·Filed 1978·Granted Oct 7, 1980·20 cites·3 claims
- 0557US4485812AHigh frequency incising deviceMEDOS KENKYUSHO KK·Filed 1982·Granted Dec 4, 1984·41 cites·12 claims
- 0649US5184159ALight source apparatus for endoscopeASAHI OPTICAL CO LTD·Filed 1990·Granted Feb 2, 1993·14 cites·7 claims
- 0737US5159380APhotographing light quantity controller for endoscopeASAHI OPTICAL CO LTD·Filed 1991·Granted Oct 27, 1992·22 cites·13 claims
- 0836US5191369APhotographing light quantity controller for endoscopeASAHI KOGAKU KK·Filed 1991·Granted Mar 2, 1993·6 cites·14 claims
- 0935USRE36582EPhotographing light quantity controller for endoscopeASAHI OPTICAL CO LTD·Filed 1996·Granted Feb 22, 2000·5 cites·16 claims
- 1035US6007480AReduced noise electric endoscope systemASAHI OPTICAL CO LTD·Filed 1997·Granted Dec 28, 1999·4 cites·6 claims
- 1133US5488509ALight source apparatus for endoscopeASAHI OPTICAL CO LTD·Filed 1994·Granted Jan 30, 1996·12 cites·22 claims
- 1233US5184170APhotographing light quantity controller for endoscopeASAHI OPTICAL CO LTD·Filed 1990·Granted Feb 2, 1993·13 cites·18 claims
- 1332US5220912ALight source apparatus for endoscopeASAHI OPTICAL CO LTD·Filed 1990·Granted Jun 22, 1993·11 cites·12 claims
- 1431US5347994AEndoscope light source apparatus with setting enable and disable modesASAHI OPTICAL CO LTD·Filed 1992·Granted Sep 20, 1994·8 cites·8 claims
- 1530US5272497ALight source apparatus for endoscopeASAHI OPTICAL CO LTD·Filed 1992·Granted Dec 21, 1993·6 cites·3 claims
- 1629US5115261APhotographing light quantity controller for endoscopeASAHI OPTICAL CO LTD·Filed 1990·Granted May 19, 1992·9 cites·18 claims
- 1722US3992673ASystem for demodulating a digital modulated waveKOKUSAI DENSHIN DENWA CO LTD·Filed 1974·Granted Nov 16, 1976·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →