YS

Yoshifumi Sudoh

Ricoh Company: 36 patents #442 of 9,818Top 5%
Overall (All Time): #92,065 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDate
12411343 Optical system, virtual image display device, and head-mounted display 2025-09-09
12265225 Light guide member and display device Naoki Nakamura, Masahiro Itoh, Susumu Momma, Shigenobu Hirano, Shun OKAZAKI +6 more 2025-04-01
12181673 Propagation optical system and virtual image display device Naoki Nakamura, Masahiro Itoh, Susumu Momma, Shun OKAZAKI, Shigenobu Hirano +7 more 2024-12-31
12117668 Propagation optical system, virtual image display apparatus, and head-mounted display 2024-10-15
12099207 Virtual image display device Naoki Nakamura, Shiori OHSUGI, Shigenobu Hirano, Yasuo Katano, Kenji Kameyama +6 more 2024-09-24
11656461 Head-mounted display device with adjuster Aino Hasegawa, Shigenobu Hirano, Yasuo Katano, Kenji Kameyama, Norikazu IGARASHI +4 more 2023-05-23
11237406 Zoom lens system and imaging apparatus provided with the same Tomoya Koga 2022-02-01
11009688 Image forming lens, imaging appratus, inspection apparatus 2021-05-18
9864167 Image forming lens and image capturing device Kazuyasu Ohashi 2018-01-09
9772469 Image forming lens and image capturing device 2017-09-26
9690072 Image forming lens and image capturing device 2017-06-27
9500876 Zoom lens unit and imaging apparatus 2016-11-22
9329367 Zoom lens, camera, and portable information terminal device 2016-05-03
9325907 Zoom lens and camera 2016-04-26
9297988 Zoom lens and device having zoom lens 2016-03-29
9213172 Zoom lens unit and camera 2015-12-15
9195036 Zoom lens, camera, and portable information device 2015-11-24
9170398 Imaging lens system and imaging system including the same 2015-10-27
8553335 Optical imaging system, camera device, and hand-held data terminal device 2013-10-08
8493665 Zoom lens, imaging apparatus, and information device 2013-07-23
8405917 Zoom lens, imaging device and information device 2013-03-26
8379329 Imaging optical system, camera and personal digital assistant Takahiro Nakayama 2013-02-19
8369030 Image forming lens, camera device, and handheld terminal Takahiro Nakayama 2013-02-05
8284501 Optical imaging system, camera device, and hand-held data terminal device 2012-10-09
8199371 Image reader and image formation apparatus Kiichiro Nishina, Yasuo Sakurai, Nobuaki Ono, Masahiro Itoh 2012-06-12