Bierman, Muserlian and Lucas
Lens-fitted film unit
 A strobe circuit for use in a lens-fitted film unit is composed of a metallic thin plate punched in a circuit pattern; and insulating plate materials covering both obverse and reverse surfaces of the metallinc thin plate; wherein a part of the metallic thin plate is used as a component of the strobe circuit. 
Konica Corporation
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G03B G03B H05K G03B G03B G03B G03B G03B H05B
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Kijirou Kei Tetsufumi Mamoru Hiroshi Masami Shuri Kazuhisa Hideaki Hiromi
Suzuki Kaneiwa Takaba Kawano Yamaguchi Fujita Mizoguchi Aratame Ono Nakanishi