Inventor · disambiguated record
Keijiro Hayashi
Also filed as: HAYASHI KEIJIRO
9 granted patents·1 pending application·379 citations·filing 1983–2005
91Inventor score
Top patents by PatentIndex Score
10 records- 0191US4451042AGolf club head of carbon fiber reinforced plasticMIZUNO KK·Filed 1983·Granted May 29, 1984·93 cites·8 claims
- 0291US4451041AGolf club head and a method for manufacturing the sameMIZUNO KK·Filed 1983·Granted May 29, 1984·96 cites·9 claims
- 0391US4449707AGolf club head of carbon fiber reinforced plasticMIZUNO KK·Filed 1983·Granted May 22, 1984·104 cites·4 claims
- 0488US6383310B1Exhaust equipment member, internal combustion engine system using same, and method for producing such exhaust equipment memberHITACHI METALS LTD·Filed 2000·Granted May 7, 2002·22 cites·26 claims
- 0578US8241558B2High-Cr, high-Ni, heat-resistant, austenitic cast steel and exhaust equipment members formed therebyHAYASHI KEIJIRO·Filed 2005·Granted Aug 14, 2012·6 cites·7 claims
- 0676US4697820ASkiMIZUNO KK·Filed 1984·Granted Oct 6, 1987·25 cites·7 claims
- 0763US4697821ASkiMIZUNO KK·Filed 1984·Granted Oct 6, 1987·15 cites·8 claims
- 0849US4590023AMethod for manufacturing an injection-molded foam core ski plateMIZUNO KK·Filed 1984·Granted May 20, 1986·12 cites·3 claims
- 0942US4711462AInjection ski and a method of manufacturing sameMIZUNO KK·Filed 1986·Granted Dec 8, 1987·6 cites·5 claims
- 1042US2006191604A1Austenite heat-resistant spheroidal graphite cast ironITOH KENJI·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →