HS

Hiroki Sawamoto

PC Powdertech Co.: 6 patents #1 of 15Top 7%
Overall (2021): #23,211 of 548,734Top 5%
6
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11112716 Carrier core material for electrophotographic developer and method for producing the same, and carrier for electrophotographic developer and developer containing said carrier core material Atsushi Nil, Yuji Ito, Hajime Akiba, Shinya Hanyu 2021-09-07
11099495 Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, developer, method for producing magnetic core material for electrophotographic developer, method for producing carrier for electrophotographic developer, and method for producing developer Tetsuya Uemura 2021-08-24
11029618 Carrier, electrophotographic developer and production method of carrier Aya Sakuta, Makoto Ishikawa, Tetsuya Uemura 2021-06-08
10996576 Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developer Tetsuya Uemura 2021-05-04
10996579 Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developer Tetsuya Uemura 2021-05-04
10969706 Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developer Tetsuya Uemura 2021-04-06