Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
YI

Yoichi Ito — 76 Patents

Ricoh Company: 43 patents #311 of 9,818Top 4%
Sony: 12 patents #3,704 of 25,231Top 15%
JSJfe Steel: 5 patents #316 of 1,401Top 25%
HDHitachi Displays: 3 patents #305 of 752Top 45%
SESeiko Epson: 3 patents #3,864 of 7,774Top 50%
Hitachi: 3 patents #10,718 of 28,497Top 40%
OIOlympus Imaging: 1 patents #211 of 341Top 65%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Panasonic: 1 patents #13,316 of 21,108Top 65%
TKToyoda Koki Kabushiki Kaisha: 1 patents #307 of 674Top 50%
HCHitachi Electronic Devices Co.: 1 patents #50 of 92Top 55%
KSKawasaki Steel: 1 patents #889 of 1,922Top 50%
Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
Overall (All Time): #24,882 of 4,157,543Top 1%
76 Patents All Time
Yoichi Ito has been granted 76 US patents while listed as an inventor at Ricoh Company. The first was granted in 1992 and the most recent in April 2025. Yoichi Ito ranks #24,882 of 4,157,543 US inventors in our database (top 0.60%). Patent records list Yoichi Ito in Tokyo, CA, JP.

Patents per Year

Patents granted per year, 1992 to 2025Bar chart with a peak of 10 patents in 2013.peak 101992: 1 patents19921995: 1 patents1997: 1 patents2004: 2 patents20042006: 1 patents2008: 2 patents2009: 1 patents20092010: 3 patents2011: 2 patents2012: 2 patents20122013: 10 patents2014: 7 patents2015: 7 patents20152016: 6 patents2017: 5 patents2018: 5 patents20182019: 2 patents2020: 4 patents2021: 5 patents20212022: 6 patents2023: 2 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 76 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12274316 Temperature control device, garment, and attachment assist tool Kenji Itoh 2025-04-15
11819909 Method for manufacturing high-manganese steel cast slab and method for manufacturing high-manganese steel slab or steel sheet Norichika Aramaki, Koichi Nakashima, Shigeki Kitsuya 2023-11-21 $718,000
11787122 Droplet discharge apparatus, droplet discharge method, and non-transitory storage medium Tsuyoshi Arao, Yoichi Sakurai, Tomomi Akieda 2023-10-17 $669,000
11505842 Low-alloy high-strength seamless steel pipe for oil country tubular goods Mitsuhiro Okatsu, Masao Yuga 2022-11-22 $672,000
11457700 Decorative apparatus, drive control method, and communication system Yuki Sugiue, Makoto Akagi, Kenji Itoh, Machiko Takematsu, Masakazu Mitsugi +3 more 2022-10-04 $401,000
11453924 Low-alloy high-strength seamless steel pipe for oil country tubular goods Mitsuhiro Okatsu, Masao Yuga 2022-09-27 $580,000
11442413 Information display device with improved reliability against external force and control of display based on movement Masakazu Mitsugi, Kenji Itoh, Seigo Yoneda, Masatomo Shimoyama, Masaki Miyamoto +1 more 2022-09-13 $512,000
11414733 Low-alloy high-strength seamless steel pipe for oil country tubular goods Mitsuhiro Okatsu, Masao Yuga 2022-08-16 $602,000
11314140 Flexible display module and switch unit for switching a display pattern Kenji Itoh, Masakazu Mitsugi, Seigo Yoneda, Masatomo Shimoyama, Yoshitaka Takahashi 2022-04-26 $667,000
11189205 Portable attachment and communication system Masaaki Yamamoto, Yuki Sugiue, Machiko Takematsu, Masakazu Mitsugi, Hiroshi Saeki 2021-11-30 $1,339,000
11049215 Image capturing apparatus, image capture system, image processing method, information processing apparatus, and computer-readable storage medium Hirokazu Takenaka, Yoshiaki Irino, Tomonori Tanaka, Nozomi Imae, Hideaki Yamamoto +7 more 2021-06-29
11036203 Fabrication system, fabrication estimation system, information processing apparatus, fabricating apparatus, fabricating method, and recording medium Wataru Sugawara, Hiroshi Maeda, Yoshinobu Takeyama, Tsukasa Matsuoka, Shingo Nagatsuka 2021-06-15
11024068 Implementing time display on a watch based on whether a wearer has looked at the watch Masakazu Mitsugi, Yuki Sugiue, Hiroshi Saeki, Machiko Takematsu, Masaaki Yamamoto +1 more 2021-06-01 $1,176,000
11003145 Information display device with improved reliability against external force Masakazu Mitsugi, Kenji Itoh, Seigo Yoneda, Masatomo Shimoyama, Masaki Miyamoto +1 more 2021-05-11 $1,061,000
10816778 Image capture system and imaging optical system Hiroyuki Satoh, Noriyuki Terao, Yoshiaki Irino, Tomonori Tanaka, Nozomi Imae +8 more 2020-10-27
10801554 Multiplate friction clutch Akira Takahashi, Kinya Mizuno 2020-10-13 $326,000
10666860 Image processor, image processing method and program, and imaging system Hirokazu Takenaka, Noriyuki Terao, Yoshiaki Irino, Tomonori Tanaka, Nozomi Imae +8 more 2020-05-26
10573047 Implementing display on a wristwatch according to a residual voltage of the wristwatch Masakazu Mitsugi, Yuki Sugiue, Hiroshi Saeki, Machiko Takematsu, Masaaki Yamamoto +1 more 2020-02-25 $715,000
10395406 Apparatus, method, program and communication system for displaying information according to a residual voltage of a power supply of an information display apparatus Masakazu Mitsugi, Yuki Sugiue, Hiroshi Saeki, Machiko Takematsu, Masaaki Yamamoto +1 more 2019-08-27 $767,000
10359683 Portable attachment and communication system Masaaki Yamamoto, Yuki Sugiue, Machiko Takematsu, Masakazu Mitsugi, Hiroshi Saeki 2019-07-23 $736,000
10151905 Image capture system and imaging optical system Hiroyuki Satoh, Noriyuki Terao, Yoshiaki Irino, Tomonori Tanaka, Nozomi Imae +8 more 2018-12-11
10092949 Method of manufacturing round steel billet Tatsuro Katsumura, Hirohide Uehara 2018-10-09
10065423 Liquid discharge device, liquid discharge control method, and recording medium Yasunobu Takagi, Kaoru Sakamoto 2018-09-04
D810739 Wearable device Masakazu Mitsugi, Yuki Sugiue, Masaaki Yamamoto, Michiko Takematsu, Hiroshi Saeki 2018-02-20
9855759 Liquid container and liquid discharger Takeyuki Kobayashi, Tomomi Katoh, Ryoh Idehara, Yoshinori Uchino 2018-01-02