Shinkichi Katayama

PK Pentel Kabushiki Kaisha: 1 patents #2 of 17Top 15%

📍 Ibaraki, JP: #186 of 576 inventorsTop 35%

Overall (1994): #68,981 of 165,921Top 45%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D351416	Ball point pen	Shigeo Oka	1994-10-11