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

Takuya Kitamura — 110 Patents

Sony: 49 patents #493 of 25,231Top 2%
Canon: 27 patents #2,148 of 19,416Top 15%
MCMax Co.: 10 patents #40 of 321Top 15%
YAYazaki: 5 patents #889 of 3,427Top 30%
KCKokuyo Co.: 5 patents #23 of 136Top 20%
NENec Electronics: 4 patents #172 of 1,789Top 10%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
RERenesas Electronics: 1 patents #2,739 of 4,529Top 65%
DIDaikin Industries: 1 patents #1,764 of 2,957Top 60%
MPMitsubishi Plastics: 1 patents #71 of 168Top 45%
Nec: 1 patents #7,928 of 14,502Top 55%
JSJfe Steel: 1 patents #825 of 1,401Top 60%
Tokyo, JP: #317 of 90,295 inventorsTop 1%
Overall (All Time): #11,945 of 4,157,543Top 1%
110 Patents All Time
Takuya Kitamura has been granted 110 US patents while listed as an inventor at Sony. The first was granted in 1995 and the most recent in August 2025. Takuya Kitamura ranks #11,945 of 4,157,543 US inventors in our database (top 0.29%). Patent records list Takuya Kitamura in Tokyo, JP.

Patents per Year

Patents granted per year, 1995 to 2025Bar chart with a peak of 14 patents in 2015.peak 141995: 2 patents19951996: 4 patents1997: 1 patents1998: 3 patents19981999: 1 patents2000: 2 patents2001: 1 patents20012002: 2 patents2003: 6 patents2004: 3 patents20042005: 4 patents2006: 6 patents2007: 8 patents20072008: 5 patents2010: 6 patents2011: 1 patents20112012: 3 patents2013: 2 patents2014: 13 patents20142015: 14 patents2016: 2 patents2017: 2 patents20172018: 1 patents2019: 4 patents2020: 4 patents20202021: 2 patents2023: 2 patents2024: 3 patents20242025: 3 patents2025

Issued Patents All Time

Showing 1–25 of 110 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12390846 Method of detecting chattering in cold rolling mill, chattering detecting device for cold rolling mill, cold rolling method, cold rolling mill, and method of manufacturing steel sheet Noriki Fujita, Tetsuya Arakawa 2025-08-19
12298696 Image forming apparatus Takahiro Kawamoto, Hideo Kihara, Nobuo Oshima, Takashi Mukai 2025-05-13
12206867 Information processing device and method Takefumi Nagumo 2025-01-21
12159434 Image processing apparatus and method Toshinori Ihara, Takefumi Nagumo 2024-12-03 $1,306,000
12031739 Device management system and device management service providing method Kenji Kita 2024-07-09
11956526 Image capturing element, image capturing device and method Takefumi Nagumo 2024-04-09 $582,000
11758298 Image processing apparatus and method Takefumi Nagumo, Toshinori Ihara 2023-09-12 $719,000
11601685 Image processing device and method using adaptive offset filter in units of largest coding unit Hironari Sakurai, Ohji Nakagami, Yoichi Yagasaki 2023-03-07 $801,000
11202088 Image processing apparatus and method 2021-12-14 $1,962,000
10935904 Image forming apparatus Jun Miura, Kazunari Hagiwara, Takashi Hiramatsu, Koji An 2021-03-02 $55,000
10855982 Image processing apparatus and method Nobuo Ueki 2020-12-01 $854,000
10747140 Developing apparatus, developer carrying member, process cartridge, and image forming apparatus Kenji Shindo, Kazunari Hagiwara, Takahiro Kawamoto, Ryo Sugiyama 2020-08-18 $21,000
10719028 Process cartridge and image forming apparatus Koji An, Kazunari Hagiwara, Takashi Hiramatsu, Jun Miura 2020-07-21 $40,000
10567805 Image processing device and method using adaptive offset filter in units of largest coding unit Hironari Sakurai, Ohji Nakagami, Yoichi Yagasaki 2020-02-18 $533,000
10444660 Developing apparatus with regulating member having a curved contact surface and image forming apparatus Kazunari Hagiwara, Takaaki Shinkawa, Koji An, Takashi Mukai 2019-10-15 $17,000
10437171 Developing device, process cartridge and image forming apparatus Koji An, Kazunari Hagiwara, Takaaki Shinkawa, Takashi Mukai 2019-10-08 $22,000
10394162 Developing apparatus, process cartridge, and image forming apparatus Takashi Mukai, Kazunari Hagiwara, Koji An, Takaaki Shinkawa 2019-08-27 $17,000
10170689 Semiconductor device Hironobu Tanigawa, Tetsuhiro Suzuki, Katsumi Suemitsu, Eiji Kariyada 2019-01-01
9880483 Image forming apparatus with cleaning mode using AC voltage 2018-01-30 $53,000
9599923 Image forming apparatus with control of developing bias and charging bias Hideaki Hasegawa, Shuichi Tetsuno 2017-03-21 $25,000
9563170 Image forming apparatus configured to use a common driving source for image bearing members 2017-02-07 $37,000
9519241 Development device, process cartridge, and image forming apparatus 2016-12-13 $43,000
9316947 Developing device, process cartridge, and image forming apparatus Hiroyuki Munetsugu, Tatsuya Suzuki, Kouki Yano 2016-04-19 $41,000
9170525 Developing device, process cartridge, and image forming apparatus Motoki Adachi, Hideo Kihara, Kouki Yano, Yuta Isobe 2015-10-27 $42,000
9128405 Image forming apparatus controlling charging voltage based on image density information Shuichi Tetsuno, Hideaki Hasegawa 2015-09-08 $37,000