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

Tsutomu Hamada — 64 Patents

FIFujifilm Business Innovation: 37 patents #125 of 5,238Top 3%
TATamura: 7 patents #11 of 193Top 6%
Mitsubishi Electric: 7 patents #4,301 of 25,717Top 20%
Panasonic: 4 patents #6,210 of 21,108Top 30%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
MEMitsubishi Heavy Industries Engineering: 2 patents #55 of 148Top 40%
NTNec Lcd Technologies: 2 patents #126 of 305Top 45%
Nec: 1 patents #7,928 of 14,502Top 55%
Saitama, JP: #98 of 10,685 inventorsTop 1%
Overall (All Time): #34,494 of 4,157,543Top 1%
64 Patents All Time
Tsutomu Hamada has been granted 64 US patents. The first was granted in 1982 and the most recent in December 2025. Tsutomu Hamada ranks #34,494 of 4,157,543 US inventors in our database (top 0.83%). Patent records list Tsutomu Hamada in Saitama, JP.

Patents per Year

Patents granted per year, 1982 to 2025Bar chart with a peak of 8 patents in 2017.peak 81982: 1 patents19821997: 1 patents1998: 1 patents1999: 1 patents19992001: 2 patents2002: 1 patents2003: 3 patents20032004: 2 patents2005: 4 patents2006: 5 patents20062007: 3 patents2008: 4 patents2009: 5 patents20092010: 4 patents2012: 1 patents2013: 1 patents20132014: 3 patents2015: 1 patents2016: 2 patents20162017: 8 patents2018: 2 patents2019: 4 patents20192021: 2 patents2023: 1 patents2025: 2 patents2025

Issued Patents All Time

Showing 1–25 of 64 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12498368 Photoresponsive liposome, complex, measurement system, and measurement method Akira NUKAZUKA, Hitoshi Kuno, Katsunori KOUDA, Takayasu Kobayashi 2025-12-16
12347598 Reactor 2025-07-01
11776731 Reactor Asami Tsushima 2023-10-03
11031171 Reactor Kotaro Suzuki 2021-06-08
10940431 Reclaiming method Akiyori Hagimoto, Tsuyoshi Oishi, Atsuhiro Yukumoto 2021-03-09
10471379 Reclaiming device, reclaiming method, and recovery unit for CO2 or H2S or both Akiyori Hagimoto, Tsuyoshi Oishi, Atsuhiro Yukumoto 2019-11-12
10468175 Reactor and method of manufacturing thereof Kotaro Suzuki 2019-11-05
10431369 Reactor Kotaro Suzuki 2019-10-01
10224134 Reactor manufacturing method Ryo Nakatsu, Toshikazu Ninomiya, Kotaro Suzuki 2019-03-05
10152010 Signal transmitting apparatus and image forming apparatus Hirokazu Tsubota, Tsutomu Ishii 2018-12-11
9982196 Device for destructive distillation of coal Kenji Atarashiya, Keiichi Sato, Shinji Namba 2018-05-29
9819363 Decoding device and method, information transmission system, and non-transitory computer readable medium 2017-11-14
9760322 Communication system and image forming apparatus Yuuri Miura 2017-09-12
9701919 Coal inactivation processing apparatus Kenji Atarashiya, Fumiaki Sato, Masakazu Sakaguchi 2017-07-11
9634799 Decoding device, information transmission system, and non-transitory computer readable medium Yoshinori Awata, Atsushi Ugajin 2017-04-25
9624558 Blast-furnace blowing coal and method for producing same Setsuo Omoto, Keiichi Nakagawa, Masakazu Sakaguchi 2017-04-18
9617609 Method for preparing blast furnace blow-in coal Keiichi Nakagawa, Setsuo Omoto, Masakazu Sakaguchi 2017-04-11
9605225 Method for preparing blast furnace blow-in coal Keiichi Nakagawa, Setsuo Omoto, Masakazu Sakaguchi 2017-03-28
9556497 Blast furnace Setsuo Omoto, Keiichi Nakagawa, Masakazu Sakaguchi 2017-01-31
9528065 Coal deactivation processing device and equipment for producing modified coal using same Takeshi Kaneko, Kenji Atarashiya, Keiichi Nakagawa, Setsuo Omoto 2016-12-27
9330822 Reactor and manufacturing method thereof Ryo Nakatsu, Toshikazu Ninomiya, Kotaro Suzuki 2016-05-03
9141327 Packet generation device and non-transitory computer readable medium Atsushi Ugajin, Tomoya ISHIZAKI, Atsushi Kitagawara, Yoshinori Awata 2015-09-22
8910008 Transmitting/receiving system, method, and computer readable medium 2014-12-09
8750423 Receiving apparatus, data transfer apparatus, data receiving method and non-transitory computer readable recording medium Manabu Akamatsu 2014-06-10
8699624 Receiving apparatus and data transmission apparatus Manabu Akamatsu, Takeshi Kamimura 2014-04-15