Ken Matsubara has been granted 86 US patents while listed as an inventor at Minolta . The first was granted in 1989 and the most recent in November 2024. Ken Matsubara ranks #19,585 of 4,157,543 US inventors in our database (top 0.47%). Patent records list Ken Matsubara in Nagano, JP.
Patents per Year Patents granted per year, 1991 to 2024 Bar chart with a peak of 9 patents in 2019. peak 9 1991: 3 patents 1991 1992: 5 patents 1993: 2 patents 1994: 3 patents 1994 1995: 1 patents 1997: 1 patents 1999: 2 patents 1999 2000: 3 patents 2001: 5 patents 2002: 2 patents 2002 2003: 3 patents 2004: 1 patents 2005: 3 patents 2005 2006: 4 patents 2007: 2 patents 2008: 2 patents 2008 2009: 5 patents 2010: 5 patents 2012: 2 patents 2012 2013: 2 patents 2014: 2 patents 2015: 1 patents 2015 2016: 2 patents 2017: 3 patents 2018: 1 patents 2018 2019: 9 patents 2020: 1 patents 2022: 1 patents 2022 2023: 2 patents 2024: 1 patents 2024
Issued Patents All Time
Showing 1–25 of 86 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12154610
Semiconductor device and semiconductor system
Genta Watanabe , Tomoya Saito , Akihiko Kanda , Koichi Takeda , Takahiro SHIMOI
2024-11-26
11679437
Compressed powder magnetic core, powder for magnetic core, and production methods therefor
Seishi Utsuno , Jung Hwan HWANG , Masataka Mitomi
2023-06-20
11652374
Rotary electrical machine with stator core having powder bodies within holes
Makoto Taniguchi , Akira Fukushima , Satoshi Doi
2023-05-16
11328848
Dust core, powder for magnetic cores, and methods of manufacturing them
Seishi Utsuno , Jung Hwan HWANG
2022-05-10
10832840
Powder for dust cores, method for producing same, dust core and method for producing dust core
Jung Hwan HWANG , Seishi Utsuno
2020-11-10
10258041
Substituted pyrazolylpyrazole derivative and use of same as herbicide
Makoto Niino
2019-04-16
10258039
Substituted pyrazolylpyrazole derivative and use of same as herbicide
Makoto Niino
2019-04-16
10258042
Substituted pyrazolylpyrazole derivative and use of same as herbicide
Makoto Niino
2019-04-16
10255956
Semiconductor device
Takashi Iwase
2019-04-09
10192621
Flash memory
Takashi Iwase , Satoru Nakanishi
2019-01-29
10165777
Substituted pyrazolylpyrazole derivative and use of same as herbicide
Makoto Niino
2019-01-01
10165776
Substituted pyrazolylpyrazole derivative and use of same as herbicide
Makoto Niino
2019-01-01
10165779
Substituted pyrazolylpyrazole derivative and use of same as herbicide
Makoto Niino
2019-01-01
10167288
Substituted pyrazolylpyrazole derivative and use of same as herbicide
Makoto Niino
2019-01-01
9947409
Flash memory
Takashi Iwase , Satoru Nakanishi
2018-04-17
9593122
Substituted pyrazolylpyrazole derivative and use of same as herbicide
Makoto Niino
2017-03-14
9593112
Substituted pyrazolylpyrazole derivative and use of same as herbicide
Makoto Niino
2017-03-14
9556183
Substituted pyrazolylpyrazole derivative and use of same as herbicide
Makoto Niino
2017-01-31
9518061
Substituted pyrazolylpyrazole derivative and use of same as herbicide
Makoto Niino
2016-12-13
9358925
Warning device for vehicle
Yuji Kariatsumari , Yasuyuki Yoshii , Tatsuma Kouchi , Yuichi Miura
2016-06-07
9199526
Vehicle and vehicle driving device
Yasuhiko Hasuda , Masanori Arima , Hideki Higashira
2015-12-01
8739919
Motor and electric power steering system
Noboru Niguchi , Naotake Kanda , Toshimasa Soku
2014-06-03
8689926
Vehicle steering apparatus and manufacturing method of same
Shigeki Nagase , Shiro Nakano , Motoo Nakai , Kunihiro Oka , Naotake Kanda +3 more
2014-04-08
8441880
Nonvolatile memory, data processing apparatus, and microcomputer application system
Toru Matsushita , Takashi Iwase , Hidenori Mitani , Jun Setogawa , Fumiko Yamada
2013-05-14
8408353
Vehicle steering apparatus
Shigeki Nagase , Minoru Sentoku , Kunihiro Oka , Motoo Nakai , Kouya Yoshida +2 more
2013-04-02