Inventor

YOSHIDA KATSUHIRA

JP4 patents

⚠️ This page may combine multiple inventors who share the name “YOSHIDA KATSUHIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI CHEM IND

2 patents

US4873332AOct 10, 1989

Metal-containing indoaniline compound and optical recording medium employing the compound

MITSUBISHI CHEM IND5 citations71

US4990433AFeb 5, 1991

Metal-containing indoaniline compound and optical recording medium employing the compound

MITSUBISHI CHEM IND4 citations60

IDEMITSU KOSAN CO

1 patent

US7420065B2Sep 2, 2008

Hetero-polycyclic compounds, and coloring matters, pigments, dyes, color-changing material compositions, and color-changing films, made by using the compounds

IDEMITSU KOSAN CO15 citations79

UNIV KOCHI

1 patent

US7408072B2Aug 5, 2008

Heteropolycyclic compound and dye

UNIV KOCHI3 citations54