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Jun Sugai

PL Pilot Ink Company, Limited: 5 patents #20 of 110Top 20%
Overall (All Time): #1,029,752 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7351362 Photochromic material Michiyuki Yasuda, Fumihiro Kimura 2008-04-01
6489018 Reversibly thermochromic light-transmitting laminate member Kuniyuki Senga, Shigehiro Koide 2002-12-03
6485824 Reversibly thermochromic light-shielding/light-transmitting laminate member Kuniyuki Senga, Shigehiro Koide 2002-11-26
6048387 Reversible thermochromic composition Yutaka Shibahashi 2000-04-11
5558700 Reversible thermochromic composition Yutaka Shibahashi 1996-09-24