YM

Yoshinobu Mitsuda

PK Pentel Kabushiki Kaisha: 1 patents #76 of 170Top 45%
Overall (All Time): #3,999,681 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4603994 Ball-holder of a ball-point pen Tai Inami, Koji Mori 1986-08-05