Inventor · disambiguated record
Sadao Kawashima
Also filed as: KAWASHIMA SADAO
5 granted patents·96 citations·filing 1980–1988
82Inventor score
Top patents by PatentIndex Score
5 records- 0168US4997693AFiber-reinforced resin material and fiber-reinforced resin laminate using it as base materialASAHI GLASS CO LTD·Filed 1988·Granted Mar 5, 1991·31 cites·6 claims
- 0263US4368232AGlass fiber mat and method of preparation thereofASAHI FIBREGLASS CO·Filed 1980·Granted Jan 11, 1983·14 cites·8 claims
- 0361US4699007AMethod of and apparatus for ultrasonic flaw detectionKOBE STEEL LTD·Filed 1985·Granted Oct 13, 1987·21 cites·6 claims
- 0450US4418113AReinforcing mat for fiber reinforced plastic materialASAHI FIBREGLASS CO·Filed 1982·Granted Nov 29, 1983·15 cites·18 claims
- 0546US4481241ACore material for fiber reinforced plastic and process for its productionASAHI FIBREGLASS CO·Filed 1982·Granted Nov 6, 1984·15 cites·26 claims
Join the waitlist — get patent alerts
Get an alert when Sadao Kawashima 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 →