Inventor · disambiguated record
Hitoshi Shigematsu
Also filed as: SHIGEMATSU HITOSHI
2 granted patents·35 citations·filing 1989–1999
62Inventor score
Files withMARUZEN PETROCHEM CO LTD2
Top patents by PatentIndex Score
2 records- 0159US4988791ANon-linear phosphazene polymer having schiff base structures, process for the preparation thereof, and curable phosphazene compositionMARUZEN PETROCHEM CO LTD·Filed 1989·Granted Jan 29, 1991·12 cites·10 claims
- 0258US6194344B1Process for preparing carbonaceous material carrying ultrafinely dispersed metalMARUZEN PETROCHEM CO LTD·Filed 1999·Granted Feb 27, 2001·23 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Hitoshi Shigematsu 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 →