Inventor · disambiguated record
Ryoichi Yamada
Also filed as: YAMADA RYOICHI
6 granted patents·2 pending applications·167 citations·filing 1994–2023
85Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD3SUMITOMO HEAVY INDUSTRIES3SATO KOGYO1TERAKATA MFG CO LTD1
Top patents by PatentIndex Score
8 records- 0197US6563387B2Method and apparatus for synthesizing high-frequency signals for wireless communicationsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 13, 2003·97 cites·22 claims
- 0275US6272892B1Forging press apparatus, controller of automation device used therefor and shut height controllerSUMITOMO HEAVY INDUSTRIES·Filed 2000·Granted Aug 14, 2001·24 cites·5 claims
- 0365US6342819B1Frequency synthesizer device and mobile radio device using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jan 29, 2002·12 cites·8 claims
- 0464US2025195270A1Non-magnetic fine stainless steel processed product and method for manufacturing the sameTERAKATA MFG CO LTD·Filed 2023·Application pending·0 cites
- 0563US6728526B2Fractional-N frequency synthesizer with multiple clocks having different timingsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Apr 27, 2004·13 cites·19 claims
- 0651US2007191666A1Method of cleaning up lead-contaminated soilSATO KOGYO·Filed 2005·Application pending·0 cites
- 0745US5488852ATransfer feeder for hot-forging pressesSUMITOMO HEAVY INDUSTRIES·Filed 1994·Granted Feb 6, 1996·12 cites·3 claims
- 0837US6105414ATransfer feeder for forging pressSUMITOMO HEAVY INDUSTRIES·Filed 1998·Granted Aug 22, 2000·9 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Ryoichi Yamada 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 →