Inventor · disambiguated record
Koichi Ohtsu
Also filed as: OHTSU KOICHI
3 granted patents·42 citations·filing 1995–1996
71Inventor score
Files withSAKAI CHEMICAL INDUSTRY CO3
Top patents by PatentIndex Score
3 records- 0161US5976511AUltraviolet rays-absorbing composition and process for producing the sameSAKAI CHEMICAL INDUSTRY CO·Filed 1996·Granted Nov 2, 1999·23 cites·7 claims
- 0236US5858079AStrontium borate pigment composition, method of making same, and processes of imparting anti-corrosive, anti-bacterial/anti-fungal and non-flammable properties to materials by using sameSAKAI CHEMICAL INDUSTRY CO·Filed 1996·Granted Jan 12, 1999·11 cites·8 claims
- 0334US5580377APlate barium sulfate and process for producing the sameSAKAI CHEMICAL INDUSTRY CO·Filed 1995·Granted Dec 3, 1996·8 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Koichi Ohtsu 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 →