HI

Hiroshi Igarashi

Brother Kogyo: 74 patents #56 of 2,767Top 3%
Tdk: 29 patents #137 of 3,796Top 4%
KC Kansai Paint Co.: 11 patents #38 of 822Top 5%
DJ Doryokuro Kakunenryo Kaihatsu Jigyodan: 8 patents #2 of 393Top 1%
Nintendo Co.: 8 patents #239 of 1,476Top 20%
NC N.E. Chemcat: 8 patents #7 of 136Top 6%
MC Mizusawa Industrial Chemicals: 6 patents #9 of 90Top 10%
NG Namco Bandai Games: 4 patents #4 of 178Top 3%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
TS Taiyo Nippon Sanso: 4 patents #20 of 203Top 10%
NA Namco: 3 patents #23 of 269Top 9%
BG Bandai Namco Games: 2 patents #1 of 46Top 3%
DC Dai Nippon Toryo Co.: 2 patents #42 of 196Top 25%
NS Nippon Sanso: 2 patents #72 of 243Top 30%
SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
NI Ngk Insulators: 1 patents #1,271 of 2,083Top 65%
FU Fujifilm: 1 patents #3,076 of 4,519Top 70%
NC Nippon Peroxide Co.: 1 patents #5 of 20Top 25%
CC Clarion Co.: 1 patents #397 of 721Top 60%
NC Nkk Co.: 1 patents #579 of 1,173Top 50%
PC Polyplastics Co.: 1 patents #154 of 292Top 55%
TU Tokyo Denki University: 1 patents #9 of 41Top 25%
SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
DI Dai Nippon Insatsu: 1 patents #197 of 371Top 55%
Kawasaki: 1 patents #1,551 of 2,943Top 55%
JI Japan Nuclear Cycle Development Institute: 1 patents #36 of 122Top 30%
📍 Bando, JP: #1 of 1 inventorsTop 100%
Overall (All Time): #4,826 of 4,157,543Top 1%
169
Patents All Time

Issued Patents All Time

Showing 1–25 of 169 patents

Patent #TitleCo-InventorsDate
12032306 Developing cartridge having electrode Yasumasa Fujii, Tsutomu Suzuki 2024-07-09
11701706 Fine copper particles, method for producing fine copper particles and method for producing sintered body Yuji SAKURAMOTO, Takayuki Fujimoto 2023-07-18
11646215 Load port apparatus and method of driving the same Tomoshi Abe, Hiroshi Hasegawa, Nozomu Kato, Tadamasa Iwamoto 2023-05-09
11515177 Circulating EFEM Tsutomu Okabe, Mutsuo Sasaki 2022-11-29
11480889 Developing cartridge having electrode Yasumasa Fujii, Tsutomu Suzuki 2022-10-25
11271219 Electrode catalyst, composition for forming gas diffusion electrode, gas diffusion electrode, membrane electrode assembly and fuel cell stack Kiyotaka Nagamori, Yoko Nakamura, Tomoteru Mizusaki, Yasuhiro Seki 2022-03-08
11253921 Copper fine particle, method for producing same, and sintered body Yuji SAKURAMOTO, Takayuki Fujimoto 2022-02-22
11150573 Developing cartridge having electrode Yasumasa Fujii, Tsutomu Suzuki 2021-10-19
11145529 EFEM and method of introducing replacement gas thereinto Tsutomu Okabe 2021-10-12
11049736 Circulating EFEM Tsutomu Okabe, Mutsuo Sasaki 2021-06-29
10775713 Developing cartridge having electrode Yasumasa Fujii, Tsutomu Suzuki 2020-09-15
10665488 Load port apparatus and method of driving the same Tadamasa Iwamoto 2020-05-26
10444659 Developing cartridge having electrode Yasumasa Fujii, Tsutomu Suzuki 2019-10-15
10333151 Method for producing gas diffusion electrode and method for producing membrane electrode assembly (MEA) Yasuhiro Seki, Takuya Tsubaki 2019-06-25
10256475 Electrode catalyst, composition for forming gas diffusion electrode, gas diffusion electrode, membrane-electrode assembly, and fuel cell stack Kiyotaka Nagamori, Tomoteru Mizusaki, Yoko Nakamura, Takuya Tsubaki, Yasuhiro Seki 2019-04-09
10177395 Electrode catalyst, composition for forming gas diffusion electrode, gas diffusion electrode, membrane-electrode assembly, fuel cell stack, method for producing electrode catalyst, and composite particle Kiyotaka Nagamori, Tomoteru Mizusaki, Yoko Nakamura, Yasuhiro Seki 2019-01-08
10133207 Developing cartridge having electrode Yasumasa Fujii, Tsutomu Suzuki 2018-11-20
10115992 Electrode catalyst, gas diffusion electrode-forming composition, gas diffusion electrode, membrane electrode assembly, and fuel cell stack Kiyotaka Nagamori, Tomoteru Mizusaki, Yoko Nakamura, Yasuhiro Seki 2018-10-30
9893365 Electrode catalyst, composition for forming gas diffusion electrode, gas diffusion elelctrode, membrane-electrode assembly, and fuel cell stack Kiyotaka Nagamori, Tomoteru Mizusaki, Yoko Nakamura, Yasuhiro Seki 2018-02-13
9833817 Gas purge unit, load port apparatus, and installation stand for purging container Mutsuo Sasaki, Jun Emoto 2017-12-05
9824907 Gas purge apparatus, load port apparatus, and gas purge method Tomoshi Abe, Nozomu Kato 2017-11-21
9786531 Gas purge unit, load port apparatus, and installation stand for purging container Mutsuo Sasaki, Jun Emoto 2017-10-10
9733589 Developing cartridge having electrode Yasumasa Fujii, Tsutomu Suzuki 2017-08-15
9720371 Image forming apparatus having developer cartridges and cartridge supporting member Shougo Sato 2017-08-01
9580619 Aqueous coating composition and coating method using same Kazutaka Ogura, Hiroyuki Nagano, Masami Kobata 2017-02-28