KT

Kei Tagami

Canon: 20 patents #3,238 of 19,416Top 20%
Overall (All Time): #218,443 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12146011 Cured product, optical element, optical apparatus, and image pickup apparatus Kouichi Yonetani, Kumiko Yashima 2024-11-19
12066593 (Meth)acrylate compound Terunobu Saitoh, Akihito Saitoh, Yota Ito 2024-08-20
11500129 Optical element, material, optical apparatus and compound Terunobu Saitoh 2022-11-15
11139435 Organic light emitting element Ryuji Ishii, Hiroki Ohrui, Masumi Itabashi 2021-10-05
10854821 Organic light emitting device Kenichi Ikari, Hiroki Ohrui, Yojiro Matsuda, Haruna Iida, Masumi Itabashi +3 more 2020-12-01
10065969 Method for producing carboxylic acid anhydride, method for producing carboxylic imide, and method for manufacturing electrophotographic photosensitive member Akihito Saitoh, Kunihiko Sekido, Michiyo Sekiya, Masashi Nishi 2018-09-04
10032987 Organic light emitting element Ryuji Ishii, Hiroki Ohrui, Masumi Itabashi 2018-07-24
9921498 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Kunihiko Sekido, Masashi Nishi, Michiyo Sekiya 2018-03-20
9864285 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Masashi Nishi, Kunihiko Sekido, Michiyo Sekiya, Yuki Yamamoto 2018-01-09
9851648 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus Masashi Nishi, Kunihiko Sekido, Michiyo Sekiya, Isao Kawata, Yuto Ito +1 more 2017-12-26
9811011 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Masashi Nishi, Kunihiko Sekido, Michiyo Sekiya, Akihito Saitoh 2017-11-07
9772568 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Kunihiko Sekido, Michiyo Sekiya, Masashi Nishi 2017-09-26
9760030 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Michiyo Sekiya, Kunihiko Sekido, Masashi Nishi 2017-09-12
9751880 Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and imide compound Masashi Nishi, Kunihiko Sekido, Michiyo Sekiya 2017-09-05
9477163 Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and imide compound Masashi Nishi, Kunihiko Sekido 2016-10-25
9472766 Fused polycyclic compound and organic light emitting element including the same Masumi Itabashi, Hiroki Ohrui, Hironobu Iwawaki, Tetsuo Takahashi, Kenichi Ikari +2 more 2016-10-18
9442401 Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and imide compound Kunihiko Sekido, Masashi Nishi 2016-09-13
9335645 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus Kunihiko Sekido, Masashi Nishi 2016-05-10
8952873 Fused polycyclic compound and organic light-emitting device using the compound Hiroki Ohrui, Hironobu Iwawaki, Masanori Muratsubaki, Ryuji Ishii 2015-02-10
8071993 Organic electroluminescence element, image display device, and imaging apparatus Hironobu Iwawaki, Mizuho Hiraoka, Hiroki Ohrui, Masumi Itabashi, Masanori Muratsubaki +1 more 2011-12-06