KH

Kokichi Hamamoto

NO Nok: 2 patents #8 of 49Top 20%
Overall (2023): #135,462 of 537,848Top 30%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11835136 Sealing device Toshiki Watanabe, Tomoaki Nishimura, Masayuki Tanida 2023-12-05
11668397 Sealing structure for cover made of resin Shiho Shonai, Hiromi SUGIHARA, Tomoaki Nishimura 2023-06-06