- Deduce the number of the patent on which Nintendo based its lawsuit against Coroplast (Kiyoshi Kurihara) - Personal - Yahoo! News
- Difficult because the patent number is unknown.
- Search J-PlatPat to narrow your search to 199 results.
- Checking from the oldest to the newest, thinking that a wide range of patents means that they must be old.
- Interesting to see the referee info.
patentintellectual property
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