HF

Hiroyasu Fujii

NS Nippon Steel: 48 patents #4 of 4,423Top 1%
ND Nittetsu Plant Designing: 3 patents #2 of 74Top 3%
NM Nippon Steel & Sumitomo Metal: 2 patents #488 of 1,491Top 35%
Overall (All Time): #53,387 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 1–25 of 50 patents

Patent #TitleCo-InventorsDate
12378676 Grain-oriented electrical steel sheet and manufacturing method of the same Seiki Takebayashi, Yoshiyuki Ushigami, Takashi Kataoka, Shunsuke Okumura 2025-08-05
12365973 Manufacturing method of grain-oriented electrical steel sheet Shinsuke Takatani, Takashi Kataoka, Yoshiyuki Ushigami, Kenichi Murakami, Shingo Okada +1 more 2025-07-22
12359275 Method for manufacturing grain-oriented electrical steel sheet Yoshiyuki Ushigami, Shuichi Nakamura 2025-07-15
12334237 Non-oriented electrical steel sheet and method for producing same Jun Maki, Kazutoshi Takeda, Akira Akagi, Hiroyuki Mimura 2025-06-17
12266971 Adhesively-laminated core for stator, method of manufacturing the same, and electric motor Kazutoshi Takeda, Shinsuke Takatani 2025-04-01
12215399 Non-oriented electrical steel sheet and method for producing same Jun Maki, Kazutoshi Takeda, Hiroyuki Mimura, Yusuke Kanto, Shuichi Yamazaki 2025-02-04
12217889 Grain-oriented electrical steel sheet, and steel sheet serving as base sheet for grain-oriented electrical steel sheet Shuichi Nakamura, Yoshiyuki Ushigami 2025-02-04
12215398 Coating liquid for forming insulation coating for grain-oriented electrical steel sheets, grain-oriented electrical steel sheet, and method for producing grain-oriented electrical steel sheet Shuichi Yamazaki, Shinsuke Takatani, Kazutoshi Takeda 2025-02-04
12180558 Method for manufacturing grain-oriented electrical steel sheet Yoshiyuki Ushigami, Shuichi Nakamura, Norikazu Fujii 2024-12-31
12157921 Coating liquid for forming insulation coating for grain-oriented electrical steel sheet, method of manufacturing grain-oriented electrical steel sheet, and grain-oriented electrical steel sheet Shuichi Yamazaki, Kazutoshi Takeda, Toru Nagai 2024-12-03
12123068 Grain oriented electrical steel sheet and producing method thereof Takashi Kataoka, Yoshiyuki Ushigami, Shuichi Nakamura, Shunsuke Okumura 2024-10-22
12104096 Laminated core, laminated core manufacturing method, and electric motor Shinsuke Takatani, Kazutoshi Takeda 2024-10-01
12033776 Non-oriented electrical steel sheet and method for manufacturing same Kazutoshi Takeda, Minako Fukuchi, Yoshiaki Natori, Shinsuke Takatani 2024-07-09
11990795 Adhesively-laminated core for stator, method of manufacturing same, and electric motor Kazutoshi Takeda, Shinsuke Takatani 2024-05-21
11948710 Non-oriented electrical steel sheet and method for producing same Jun Maki, Kazutoshi Takeda, Akira Akagi, Yuya Fujii 2024-04-02
11884988 Base sheet for grain-oriented electrical steel sheet, grain-oriented silicon steel sheet which is used as material of base sheet for grain-oriented electrical steel sheet, method of manufacturing base sheet for grain-oriented electrical steel sheet, and method of manufacturing grain-oriented electrical steel sheet Shuichi Nakamura, Seiki Takebayashi, Yoshiyuki Ushigami, Shinsuke Takatani 2024-01-30
11855485 Laminated core, method of manufacturing same, and electric motor Shinsuke Takatani, Kazutoshi Takeda 2023-12-26
11742129 Adhesively-laminated core, manufacturing method thereof, and electric motor Shinsuke Takatani, Kazutoshi Takeda 2023-08-29
11499055 Coating solution for forming insulating film for grain-oriented electrical steel sheet, and method for producing grain-oriented electrical steel sheet Shuichi Yamazaki, Kazutoshi Takeda 2022-11-15
11450460 Grain-oriented electrical steel sheet Seiki Takebayashi, Shuichi Nakamura, Yoshiyuki Ushigami, Shinsuke Takatani 2022-09-20
11346005 Grain-oriented electrical steel sheet Seiki Takebayashi, Shuichi Nakamura, Yoshiyuki Ushigami, Shinsuke Takatani 2022-05-31
11332831 Insulating coating for electrical steel sheet Shuichi Yamazaki, Masaru Takahashi, Kazutoshi Takeda, Akira Akagi, Hiroki HORI 2022-05-17
11189407 Grain-oriented electrical steel sheet Shinsuke Takatani, Yoshiyuki Ushigami, Shuichi Nakamura, Takeshi Imai 2021-11-30
11060159 Grain-oriented electrical steel sheet and method of manufacturing grain-oriented electrical steel sheet Seiki Takebayashi, Shuichi Nakamura, Yoshiyuki Ushigami 2021-07-13
10706998 Electrical steel sheet and method for producing electrical steel sheet Kazutoshi Takeda, Masaru Takahashi, Shuichi Yamazaki, Hiroki HORI 2020-07-07