HO

Hiroki Oka

SO Sony: 25 patents #1,512 of 25,231Top 6%
TL Tokyo Electron Limited: 12 patents #586 of 5,567Top 15%
Dai Nippon Printing Co.: 10 patents #209 of 2,222Top 10%
FI Fujifilm Business Innovation: 4 patents #1,029 of 1,659Top 65%
Aisin Seiki Kabushiki Kaisha: 3 patents #1,084 of 3,782Top 30%
MA Makita: 2 patents #391 of 770Top 55%
NT NTT: 1 patents #2,911 of 4,871Top 60%
V- V-Tex: 1 patents #8 of 18Top 45%
Overall (All Time): #42,389 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 25 most recent of 57 patents

Patent #TitleCo-InventorsDate
12227823 Metal plate for producing vapor deposition masks, production method for metal plates, vapor deposition mask, production method for vapor deposition mask, and vapor deposition mask device comprising vapor deposition mask Sachiyo Matsuura, Chiaki Hatsuta, Chikao Ikenaga, Hideyuki Okamoto, Masato Ushikusa 2025-02-18
12117727 Metal plate for manufacturing deposition mask and manufacturing method for metal plate, and deposition mask and manufacturing method for deposition mask Sachiyo Matsuura, Chiaki Hatsuta, Chikao Ikenaga, Hideyuki Okamoto, Masato Ushikusa 2024-10-15
11983495 Evaluation apparatus and evaluation method Takashi Furutani, Machiko SHINOZUKA, Xiaoxi Zhang, Katsuya Hayashi, Yuriko TANAKA 2024-05-14
11939659 Deposition mask group, manufacturing method of electronic device, and electronic device Takuya Higuchi, Hiromitsu Ochiai 2024-03-26
11732361 Metal plate for manufacturing deposition mask, method for manufacturing metal plate, deposition mask and method for manufacturing deposition mask Chikao Ikenaga, Sachiyo Matsuura, Shogo Endo, Chiaki Hatsuta, Asako NARITA 2023-08-22
11733607 Metal plate for producing vapor deposition masks, inspection method for metal plates, production method for metal plates, vapor deposition mask, vapor deposition mask device, and production method for vapor deposition masks Chikao Ikenaga, Hideyuki Okamoto, Masato Ushikusa, Chiaki Hatsuta, Sachiyo Matsuura 2023-08-22
11667983 Method for manufacturing metal plate Chikao Ikenaga, Sachiyo Matsuura, Shogo Endo, Chiaki Hatsuta, Asako NARITA 2023-06-06
11649539 Deposition mask group, manufacturing method of electronic device, and electronic device Takuya Higuchi, Hiromitsu Ochiai 2023-05-16
11566316 Deposition mask group, manufacturing method of electronic device, and electronic device Takuya Higuchi, Hiromitsu Ochiai 2023-01-31
11527426 Substrate processing device Norihiko Tsuji, Atsushi Kawabe 2022-12-13
11351808 Recording medium post-processing device Hidenori Tanaka, Ayumi Ikegaya, Keiichi Asajima, Yuzo Fujita, Ryusuke Yamanashi 2022-06-07
11237481 Metal plate for manufacturing deposition mask and manufacturing method for metal plate, and deposition mask and manufacturing method for deposition mask Sachiyo Matsuura, Chiaki Hatsuta, Chikao Ikenaga, Hideyuki Okamoto, Masato Ushikusa 2022-02-01
10971385 Substrate processing apparatus and transfer position correcting method Hiroshi Narushima, Sho Otsuki, Takehiro Shindo 2021-04-06
10859939 Image forming apparatus Kanji Shintaku, Hiroki Ando, Hirofumi Iida, Keishi Araki, Satoshi Mizoguchi 2020-12-08
10802413 Charging device, image forming structure, and image forming device Keishi Araki, Hiroki Ando, Hirofumi Iida, Satoshi Mizoguchi 2020-10-13
10797494 Power supply adapter and method for supplying electric power to electric working machine Toru Yamada, Takayoshi Endo 2020-10-06
10747148 Image forming apparatus and recording material guide device Akira Shimodaira 2020-08-18
9805962 Substrate conveyance method, and substrate conveyance device Nobuaki Ito 2017-10-31
9774273 Electric device and method of controlling the same Hitoshi Suzuki, Toshiyasu Kasuya 2017-09-26
D738029 Modular unit Bunichi Obana, Hideki Fujita, Hideaki Tachino, Nobuyuki Yokosawa 2015-09-01
D736301 Projector Hajime Ishihara 2015-08-11
8382938 Gate valve cleaning method and substrate processing system Tsuyoshi Moriya, Hiroyuki Nakayama, Keisuke Kondoh 2013-02-26
8113757 Intermediate transfer chamber, substrate processing system, and exhaust method for the intermediate transfer chamber Tsuyoshi Moriya, Hiroyuki Nakayama, Keisuke Kondoh 2012-02-14
8048235 Gate valve cleaning method and substrate processing system Tsuyoshi Moriya, Hiroyuki Nakayama, Keisuke Kondoh 2011-11-01
D623166 Portable recorder 2010-09-07