Granted Patent
Utility
US 5,402,409 · App. 08/092,898
Optical recording apparatus and method for adding information in a sub-scanning direction and for deflecting a light beam to an optimum sub-scanning recording position
Inventors:
Keiji Kataoka, Susumu Saito, Yasuyuki Tsuji, Shuuho Yokokawa, Kunitomo Takahashi, Tsukasa Ogawa, Youji Hirose, Hiroshi Ueno
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Jul 19, 1993
Inventors
Keiji Kataoka
Susumu Saito
Yasuyuki Tsuji
Shuuho Yokokawa
Kunitomo Takahashi
Tsukasa Ogawa
Youji Hirose
Hiroshi Ueno
Assignee (at issue)
Hitachi Koki Co., Ltd.
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.