Safety valve element for battery and battery case cap with safety valve

Assignee

• Toyo Kohan Co.

Inventors

• Akiyoshi Takada (6 patents)
• Akira Takagi (90 patents)
• Kinji Saijo (25 patents)
• Kazuo Yoshida (101 patents)
• Nobuyuki Yoshimoto (10 patents)
• Yoshihiko Isobe (24 patents)

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