KO

Kanji Ohtsuka

NI Nissan Chemical Industries: 2 patents #451 of 1,150Top 40%
📍 Funabashi, JP: #519 of 1,104 inventorsTop 50%
Overall (All Time): #2,344,420 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4689431 Method for the preparation of phenyl pyruvic acid Masato Tanaka 1987-08-25
4524213 Dicyclopentadiene dicarboxylic acid derivatives and process for their preparation Hideo Suzuki, Masami Adachi 1985-06-18