Inventor · disambiguated record
Masaaki Yokoyama
Also filed as: YOKOYAMA MASAAKI
4 granted patents·54 citations·filing 1985–2003
75Inventor score
Top patents by PatentIndex Score
4 records- 0190US4822786ACephalosporin compounds, and antibacterial agentsKAKEN PHARMA CO LTD·Filed 1987·Granted Apr 18, 1989·41 cites·7 claims
- 0268US7189418B2Method for extracting lipid mixture containing phospholipids comprising polyunsaturated fatty acids from viscera of fish, method for preserving viscera prior to extraction, and lipid mixture extracted therebySHIZUOKA PREFECTURE·Filed 2003·Granted Mar 13, 2007·9 cites·10 claims
- 0351US4883879ACephalosporin compounds, processes for their preparation and antibacterial agentsKAKEN PHARMA CO LTD·Filed 1989·Granted Nov 28, 1989·3 cites·1 claims
- 0437US4691014ACephalosporin compoundsKAKEN PHARMA CO LTD·Filed 1985·Granted Sep 1, 1987·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →