Patents by Inventor Masatoshi Arima

Masatoshi Arima has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Mirror and optical scanning device
    Patent number: 8174748
    Abstract: A mirror includes a substrate, a reflection layer, and a protection layer. The substrate includes a surface having an attachment area and a reflection area. The reflection layer is formed on the reflection area. The protection layer is formed on the reflection area on which the reflection layer is formed and the attachment area. Material of the protection layer is homogeneous across the reflection area and the attachment area.
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: May 8, 2012
    Assignees: Ricoh Company, Ltd., Kishiro Hikari Kagaku Co., Ltd.
    Inventors: Fumikata Andoh, Hiroshi Takemoto, Jun Yoshida, Masatoshi Arima, Norio Sato, Seiji Usui
  • MIRROR AND OPTICAL SCANNING DEVICE
    Publication number: 20090136263
    Abstract: A mirror includes a substrate, a reflection layer, and a protection layer. The substrate includes a surface having an attachment area and a reflection area. The reflection layer is formed on the reflection area. The protection layer is formed on the reflection area on which the reflection layer is formed and the attachment area. Material of the protection layer is homogeneous across the reflection area and the attachment area.
    Type: Application
    Filed: October 23, 2008
    Publication date: May 28, 2009
    Inventors: Fumikata ANDOH, Hiroshi Takemoto, Jun Yoshida, Masatoshi Arima, Norio Sato, Seiji Usui
  • Agent containing an ellagic acid series compound for external application and use thereof
    Patent number: 5073545
    Abstract: Agents for external application contain as an effective component ellagic acid series compounds represented by the general formula [I] or salts thereof: ##STR1## wherein R.sub.1 to R.sub.4 are a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, a polyalkylene oxide residue where the alkylene oxide unit has 2 to 3 carbon atoms, or a sugar residue represented by the formula [II]: ##STR2## and R.sub.5 is a hydrogen atom, a hydroxyl group or an alkoxy group having 1 to 8 carbon atoms.
    Type: Grant
    Filed: June 6, 1988
    Date of Patent: December 17, 1991
    Assignee: Lion Corporation
    Inventors: Masatoshi Arima, Hiroaki Nishizawa, Keiji Takeuchi, Hiroshi Deura, Keiichiro Ishida