MT

Minoru Takenaka

OC Otsuka Chemical Co.: 1 patents #9 of 34Top 30%
OK Otsuka Kagaku Kabushiki Kaisya: 1 patents #7 of 17Top 45%
Overall (2002): #49,387 of 266,432Top 20%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6432187 Friction material Hiroshi Ogawa 2002-08-13
6355601 Friction material Hiroshi Ogawa, Hiroshi Shibutani 2002-03-12