HF

Hidetoshi Fujii

Ricoh Company: 31 patents #601 of 9,818Top 7%
OU Osaka University: 22 patents #4 of 1,984Top 1%
MC Murata Manufacturing Co.: 12 patents #634 of 5,295Top 15%
OI Osaka Municipal Technical Research Institute: 4 patents #1 of 40Top 3%
RS Ricoh Printing Systems: 4 patents #32 of 200Top 20%
TC Toshiba Materials Co.: 3 patents #83 of 197Top 45%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
HS Hitachi Printing Solutions: 2 patents #23 of 99Top 25%
NC Ntk Cutting Tools Co.: 2 patents #1 of 13Top 8%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
FC Furuya Metal Co.: 1 patents #25 of 52Top 50%
TS Taiyo Nippon Sanso: 1 patents #91 of 203Top 45%
📍 Suita, JP: #5 of 1,253 inventorsTop 1%
Overall (All Time): #27,540 of 4,157,543Top 1%
72
Patents All Time

Issued Patents All Time

Showing 1–25 of 72 patents

Patent #TitleCo-InventorsDate
12311461 Friction stir welding tool and friction stir welding method Yuki TAKEUCHI, Jun Moteki, Hiroki Takeuchi, Yusuke Katsu, Yasushi Hara +1 more 2025-05-27
12240052 Friction pressure welding method Huihong LIU, Yoshiaki Morisada 2025-03-04
12234535 Weathering steel for solid-state welding, weathering steel material for solid-state welding, solid-state welded structure and solid-state welding method Kohsaku Ushioda, Tomoya Nagira, Yoshiaki Morisada 2025-02-25
12162088 Rotating tool for and method of friction stir welding Tetsuya Amasaki, Keisuke Murase, Seiiyu Ishimoto, Takuya Ikeda, Muneaki Mukuda +3 more 2024-12-10
11986901 Friction stir welding tool and friction stir welding method Yoshiaki Morisada, Yusuke Katsu, Hiroki Takeuchi 2024-05-21
11964338 Method for low-temperature joining of metal materials, and joint structure Rintaro Ueji, Yoshiaki Morisada 2024-04-23
11872651 Dissimilar material solid phase bonding method, dissimilar material solid phase bonded structure, and dissimilar material solid phase bonding device Yoshiaki Morisada, Yasuhiro Aoki, Masayoshi Kamai 2024-01-16
11813693 Friction stir welding tool member, and friction stir welding method using the same Yoshiaki Morisada, Kai FUNAKI, Masahiro Kato, Takayuki Fukasawa, Yutaka Abe 2023-11-14
11745287 Metal material solid-phase bonding method and solid-phase bonding device Yoshiaki Morisada, Huihong LIU, Yasuhiro Aoki, Masayoshi Kamai 2023-09-05
11639064 Image forming method Takuya Saiga, Shigeyuki Harada, Yuya Hirokawa 2023-05-02
11534854 Friction stir welding tool and friction stir welding method Yoshiaki Morisada, Yasuhiro Aoki, Akihiko Ikuta 2022-12-27
11524893 Method for manufacturing micromechanical structures in a device wafer 2022-12-13
11414557 Active-energy-ray-polymerizable initiator, active-energy-ray-polymerizable composition, active-energy-ray-polymerizable ink, ink storage container, image forming method, and image forming apparatus Shigeyuki Harada 2022-08-16
11273518 Linear friction welding method Yoshiaki Morisada, Yasuhiro Aoki, Masanori Yasuyama, Gen MURAYAMA 2022-03-15
11161199 Friction bonding method Rintaro Ueji, Yoshiaki Morisada 2021-11-02
11142659 Curable composition, curable ink, accommodating unit, two- or three-dimensional image forming device, two-dimensional or three-dimensional image forming method, cured matter, and printed matter 2021-10-12
11130194 Friction stir welding tool member, friction stir welding apparatus using the same, and friction stir welding method Yoshiaki Morisada, Kai FUNAKI, Isao Ikeda, Yutaka Abe, Masahiro Kato 2021-09-28
11110542 Friction pressure welding method Yoshiaki Morisada, Yasuhiro Aoki 2021-09-07
11097374 Friction stir welding tool member made of silicon nitride sintered body, and friction stir welding apparatus using the same Yoshiaki Morisada, Kai FUNAKI, Isao Ikeda, Yutaka Abe, Masahiro Kato 2021-08-24
11094552 Method for etching recessed structures 2021-08-17
10829657 Active energy ray-curable composition, active energy ray-curable ink, composition storing container, two-dimensional or three-dimensional image forming device, method for producing cured product, and cured product Michihiko Namba, Manabu Arita 2020-11-10
10807863 Method for manufacturing micromechanical structures in a device wafer 2020-10-20
10689536 Ink, image forming method, image forming apparatus, and image formed product Amika Sagara, Michihiko Namba, Hiroaki Takahashi, Kiminori Masuda 2020-06-23
10466627 Member for an image forming appratus Akira Izutani, Ryoh Miyakoshi 2019-11-05
10400120 Ink, ink container, and inkjet recording apparatus Amika Sagara 2019-09-03