Patents by Inventor Toshinori Suenaga

Toshinori Suenaga 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).

  • Ionic substance removing material for use in super-clean room and method of manufacturing the material
    Patent number: 5972812
    Abstract: An ionic substance removing material for use in a super-clean room and a method of manufacturing the material are disclosed. The material includes an ion exchanger capable of an ion exchange reaction.
    Type: Grant
    Filed: April 17, 1998
    Date of Patent: October 26, 1999
    Assignee: Noritsu Koki Co. Ltd
    Inventors: Kunihiro Sakata, Hiroshi Nonaka, Toshinori Suenaga, Shingo Tokunaga, Susumu Shuutoku, Goro Fujiwara, Mitsunobu Masuda, Shinji Hattori, Naoki Irie
  • Ionic substance removing material for use in super-clean room
    Patent number: 5856250
    Abstract: An ionic substance removing material for use in a super-clean room and a method of manufacturing the material are disclosed. The material includes an ion exchanger capable of an ion exchange reaction, a non-ion exchange permeable layer and an anti-dust generation layer. The material is secured by the surface of a concrete wall.
    Type: Grant
    Filed: November 27, 1996
    Date of Patent: January 5, 1999
    Assignees: Takuma Co., Ltd., NEC Corporation
    Inventors: Kunihiro Sakata, Hiroshi Nonaka, Toshinori Suenaga, Shingo Tokunaga, Susumu Shuutoku, Goro Fujiwara, Mitsunobu Masuda, Shinji Hattori, Naoki Irie