TM

Tadayuki Miyagi

PK Pentel Kabushiki Kaisha: 1 patents #76 of 170Top 45%
Overall (All Time): #4,059,752 of 4,157,543Top 100%
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Patent #TitleCo-InventorsDate
4411543 Self-feeding mechanical pencil Junichi Hashimoto 1983-10-25