Granted Patent
Utility
US 6,267,983 · App. 09/319,577
Dermatological patch and process for producing thereof
Inventors:
Kimihiro Fujii, Kazuo Tanaka, Kazuya Ikawa, Yasuhiro Ikeura, Shinji Yamasoto
Patented Case
View Patent ↗
Granted: Jul 31, 2001
Filed: Aug 11, 1999
Inventors
Kimihiro Fujii
Kazuo Tanaka
Kazuya Ikawa
Yasuhiro Ikeura
Shinji Yamasoto
Assignees (at issue)
BANDO CHEMICAL INDUSTRIES, LTD.
HISAMITSU PHARMACEUTICAL CO., INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.