Patents by Inventor Takao Okada

Takao Okada 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).

  • Combined portable cassette recorder and radio
    Patent number: D249142
    Type: Grant
    Filed: June 18, 1976
    Date of Patent: August 29, 1978
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Takao Okada, Tsutomu Murakami, Hironosuke Koda
  • Portable radio
    Patent number: D256359
    Type: Grant
    Filed: June 15, 1978
    Date of Patent: August 12, 1980
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Shuhei Taguchi, Takao Okada
  • Radio receiver
    Patent number: D260261
    Type: Grant
    Filed: September 15, 1978
    Date of Patent: August 18, 1981
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Takao Okada, Takeyoshi Kawano, Shinza Murakami, Kikuo Ohta
  • Digital clock radio
    Patent number: D261765
    Type: Grant
    Filed: June 15, 1978
    Date of Patent: November 10, 1981
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Benito Mishiro, Takao Okada
  • Radio receiver
    Patent number: D262536
    Type: Grant
    Filed: June 9, 1980
    Date of Patent: January 5, 1982
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Setsuo Miyanaga, Takao Okada