U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

"Man will not fly for 50 years."

Wilbur Wright ; 1901

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

Assignee: Hitachi Instruments Service Co., Ltd.

Location: Tokyo, JP
No. of patents: 1

Number	Title	Issue Date
5874735	Scanning electron microscope A scanning electron microscope having a unit for reducing image obstacle in an scanning electron microscope which is capable of inexpensively and readily reducing image obstacle caused by any external disturbance such as alternative magnetic field and mec...	02/23/1999