Inventor

ITONAGA KAZUMASA

JP3 patents

Patents

3 patents

US5879591AMar 9, 1999

Process for production of photochromic cured product

TOKUYAMA CORP30 citations91

US5395566AMar 7, 1995

Photochromic composition

TOKUYAMA CORP47 citations90

US5462698AOct 31, 1995

Photochromic composition

TOKUYAMA CORP21 citations81