Inventor
ISHIWATA TADAKAZU
JP15 patents
⚠️ This page may combine multiple inventors who share the name “ISHIWATA TADAKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OJI HOLDINGS CORP
12 patentsUS10093792B2Oct 9, 2018
Biaxially stretched polypropylene film for capacitors
OJI HOLDINGS CORP2 citations70
US9605093B2Mar 28, 2017
Biaxially stretched polypropylene film for capacitors
OJI HOLDINGS CORP2 citations68
US12590195B2Mar 31, 2026
Polypropylene film, polypropylene film integrated with metal layer, and film capacitor
OJI HOLDINGS CORP0 citations59
US11926730B2Mar 12, 2024
Polypropylene film, metal layer-integrated polypropylene film, film capacitor and film roll
OJI HOLDINGS CORP0 citations59
US11661507B2May 30, 2023
Polypropylene film, metal layer-integrated polypropylene film, film capacitor and film roll
OJI HOLDINGS CORP0 citations59
US11492475B2Nov 8, 2022
Polypropylene film, metal layer-integrated polypropylene film, film capacitor and film roll
OJI HOLDINGS CORP0 citations59
US10910164B2Feb 2, 2021
Biaxially stretched polypropylene film for capacitors, metallized film, and capacitor
OJI HOLDINGS CORP0 citations59
US10431380B2Oct 1, 2019
Biaxially stretched polypropylene film for capacitor
OJI HOLDINGS CORP1 citations59
US11142618B2Oct 12, 2021
Biaxially stretched polypropylene film, metallized film for capacitors, and capacitor
OJI HOLDINGS CORP1 citations57
US10759929B2Sep 1, 2020
Biaxially stretched polypropylene film for capacitors
OJI HOLDINGS CORP1 citations57
US10294356B2May 21, 2019
Biaxially stretched polypropylene film for capacitors
OJI HOLDINGS CORP0 citations49
US11961683B2Apr 16, 2024
Biaxially stretched polypropylene film, metallized film, metallized film roll and film capacitor
OJI HOLDINGS CORP0 citations48