Masataka Negishi

📍 Kawagoe, JP: #5 of 124 inventorsTop 5%

Overall (1989): #8,575 of 140,708Top 7%

Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4813765	Device for changing directions of light rays	—	1989-03-21
4807975	Image forming system having uniform illumination flux for liquid crystal image means	—	1989-02-28
4809147	Lighting device	—	1989-02-28