HH

Hatsuhiko Harashina

PC Polyplastics Co.: 20 patents #4 of 292Top 2%
Overall (All Time): #215,302 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
12305034 Automobile interior component made from polyacetal resin Tomohiro Monma, Akihiro Tamaoka 2025-05-20
11661511 Production method of polyacetal resin composition Akihiro Tamaoka, Tomohiro Monma 2023-05-30
11555111 Polyacetal resin composition Akihiro Tamaoka, Tomohiro Monma 2023-01-17
11142637 Polyacetal resin composition Hirokazu Katsuchi 2021-10-12
7928184 Unstable terminal group decomposer, and stabilized polyacetal resin, manufacturing method, composition and molded article using the same Hiroaki Nakao 2011-04-19
7638565 Polyacetal resin composition 2009-12-29
7498368 Flame-retardant resin composition Shinya Yamada 2009-03-03
7498375 Flame-retardant resin composition Shinya Yamada 2009-03-03
7411013 Flame-retardant resin composition Shinya Yamada 2008-08-12
7205345 Flame-retardant resin composition Shinya Yamada, Yuji Tada 2007-04-17
7205346 Flame-retardant resin composition 2007-04-17
7186766 Polyacetal resin composition and process for producing the same Hayato Kurita 2007-03-06
7183340 Polyacetal resin composition and process for producing same Hayato Kurita 2007-02-27
7169836 Flame-retardant resin composition Shinya Yamada, Yuji Tada 2007-01-30
7115677 Flame-retardant resin composition Shinya Yamada 2006-10-03
7041718 Polyacetal resin composition and moldings Hayato Kurita, Tatsuya Yamada 2006-05-09
6790886 Flame-retardant resin composition Toshio Nakane, Shinya Yamada, Yuji Tada 2004-09-14
6753363 Polyacetal resin composition and process for production thereof 2004-06-22
6673405 Polyacetal resin composition and process for its production 2004-01-06
6642289 Polyacetal resin composition and moldings Hayato Kurita, Tatsuya Yamada 2003-11-04