KI

Kenji Ichikawa

DI Daikin Industries: 15 patents #186 of 2,957Top 7%
MU Murakami: 15 patents #4 of 147Top 3%
SC Shinagawa Refractories Co.: 11 patents #3 of 162Top 2%
FU Fujifilm: 9 patents #988 of 4,519Top 25%
OC Oki Electric Industry Co.: 5 patents #405 of 2,807Top 15%
KE Keihin: 2 patents #128 of 596Top 25%
IC Ikeda Bussan Co.: 2 patents #63 of 235Top 30%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
OC Oki Semiconductor Co.: 1 patents #202 of 526Top 40%
TC Toyo Seikan Co.: 1 patents #498 of 888Top 60%
Overall (All Time): #35,086 of 4,157,543Top 1%
63
Patents All Time

Issued Patents All Time

Showing 1–25 of 63 patents

Patent #TitleCo-InventorsDate
12410266 Method for manufacturing fluoropolymer Yoshinori Nanba, Yohei FUJIMOTO, Hirotoshi Yoshida, Hiroyuki Sato, Taketo Kato +10 more 2025-09-09
12404387 Production method for fluoropolymer, surfactant for polymerization, and use of surfactant Taketo Kato, Satoru Yoneda, Manabu Fujisawa, Kazuya Asano, Takahiro Kitahara +16 more 2025-09-02
12195617 Composition and stretched body Yoshinori Nanba, Yohei FUJIMOTO, Hirotoshi Yoshida, Hiroyuki Sato, Taketo Kato +2 more 2025-01-14
12185472 Metal pattern forming method Eijiro IWASE 2024-12-31
12012470 Production method for fluoropolymer, surfactant for polymerization, and use of surfactant Taketo Kato, Satoru Yoneda, Manabu Fujisawa, Kazuya Asano, Takahiro Kitahara +16 more 2024-06-18
11952441 Polytetrafluoroethylene production method Taketo Kato, Yohei FUJIMOTO, Hiroyuki Sato, Yoshinori Nanba, Hirotoshi Yoshida +4 more 2024-04-09
11767379 Method for manufacturing fluoropolymer Yoshinori Nanba, Yohei FUJIMOTO, Hirotoshi Yoshida, Hiroyuki Sato, Taketo Kato +10 more 2023-09-26
11634514 Method for manufacturing fluoropolymer, surfactant for polymerization, use for surfactant, and composition Taketo Kato, Satoru Yoneda, Masahiro Higashi, Akiyoshi Yamauchi, Sumi Ishihara +12 more 2023-04-25
11512155 Production method for fluoropolymer, surfactant for polymerization, and use of surfactant Taketo Kato, Satoru Yoneda, Manabu Fujisawa, Kazuya Asano, Takahiro Kitahara +16 more 2022-11-29
11491885 Port locking actuator device for vehicle inlet Masahiro Motomiya, Takayuki Miyazaki, Hiroki Takeuchi 2022-11-08
11383606 Port locking actuator device for vehicle inlet Masahiro Motomiya, Takayuki Miyazaki, Hiroki Takeuchi 2022-07-12
11279814 Production method for fluoropolymer, surfactant for polymerization, and use of surfactant Taketo Kato, Satoru Yoneda, Manabu Fujisawa, Kazuya Asano, Takahiro Kitahara +16 more 2022-03-22
11148402 Heat-resistant multilayer container and method for producing the same Yuuki Tashiro, Takayuki Ishihara, Azusa OTSUKI, Toshiki Yamada, Seishi Yoshikawa +1 more 2021-10-19
11056830 Port locking actuator device for vehicle inlet Masahiro Motomiya, Takayuki Miyazaki, Hiroki Takeuchi 2021-07-06
D923570 Electric retracting unit for electric retractable door mirror for vehicle Takayuki Miyazaki, Hiroki Takeuchi, Yoshihiro Murata 2021-06-29
D923569 Electric retracting unit for electric retractable door mirror for vehicle Yoshihiro Murata, Takayuki Miyazaki, Hiroki Takeuchi 2021-06-29
11007678 Production method of mold, manufacturing method of pattern sheet, production method of electroform, and production method of mold using electroform Shotaro Ogawa, Satoshi CHAI, Kazunori Komatsu, Kozue IKEDA, Ryo Hibino 2021-05-18
10953802 Electric retractable view device for vehicle, and shaft outside-fitting gear incorporated in the device Masahiro Motomiya, Takayuki Miyazaki, Mizuki Toyama 2021-03-23
10807534 Electric retractable view device for vehicle Masahiro Motomiya, Takayuki Miyazaki, Mizuki Toyama 2020-10-20
10797558 Electric retracting unit for electric retractable view device for vehicle Masahiro Motomiya 2020-10-06
10793072 Electric retractable view device for vehicle Masahiro Motomiya, Takayuki Miyazaki, Mizuki Toyama 2020-10-06
10766418 Electric retractable view device for vehicle Masahiro Motomiya, Takayuki Miyazaki, Mizuki Toyama 2020-09-08
10717389 Electric retractable view device for vehicle Masahiro Motomiya, Takayuki Miyazaki, Mizuki Toyama 2020-07-21
10654417 Electric retractable view device for vehicle Masahiro Motomiya 2020-05-19
10648095 Production method of mold, manufacturing method of pattern sheet, production method of electroform, production method of mold using electroform, and original Satoshi CHAI, Ryo Hibino 2020-05-12