HS

Hirofusa Shirai

Tdk: 2 patents #19 of 189Top 15%
UN Unknown: 2 patents #39 of 2,107Top 2%
Overall (1997): #38,058 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5633370 Naphthalocyanine compounds, naphthalocyanine polymers and method for making Mutsumi Kimura, Yuichi Kubota 1997-05-27
5618930 Phthalocyanine compound and method for making, nitro-substituted phthalocyanine compound, amino-substituted phthalocyanine compound, phthalocyanine-containing polymer and method for making, catalyst, and optical recording medium Mutsumi Kimura, Toshiki Koyama, Kenji Hanabusa, Yuichi Kubota 1997-04-08