YK

Yuichiro Kawabata

TO Tokuyama: 2 patents #4 of 42Top 10%
📍 Tsukuba, JP: #42 of 299 inventorsTop 15%
Overall (2002): #33,779 of 266,432Top 15%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6362248 Photochromic polymerizable composition Tadashi Hara, Junji Momoda, Hironobu Nagoh 2002-03-26
6340765 Chromene compound Junji Momoda 2002-01-22