Inventor · disambiguated record
Saburo Ishijima
Also filed as: ISHIJIMA SABURO
3 granted patents·54 citations·filing 1978–1982
70Inventor score
Files withNIPPON OXYGEN CO LTD3
Top patents by PatentIndex Score
3 records- 0188US4417722AVacuum furnace for heat treatmentNIPPON OXYGEN CO LTD·Filed 1982·Granted Nov 29, 1983·28 cites·6 claims
- 0276US4157779AProcess for producing a metal vacuum bottleNIPPON OXYGEN CO LTD·Filed 1978·Granted Jun 12, 1979·25 cites·6 claims
- 0327US4457488ASluice valve arrangementNIPPON OXYGEN CO LTD·Filed 1982·Granted Jul 3, 1984·1 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Saburo Ishijima 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 →