Tomoaki Kato has been granted 115 US patents while listed as an inventor at Ngk Spark Plug Co. . The first was granted in 1987 and the most recent in March 2022. Tomoaki Kato ranks #10,885 of 4,157,543 US inventors in our database (top 0.26%). Patent records list Tomoaki Kato in Nagoya, MH, JP.
Patents per Year Patents granted per year, 1987 to 2022 Bar chart with a peak of 15 patents in 2013. peak 15 1987: 1 patents 1987 1992: 1 patents 1993: 1 patents 1994: 1 patents 1994 1995: 1 patents 1996: 1 patents 1998: 1 patents 1998 1999: 3 patents 2000: 6 patents 2001: 2 patents 2001 2002: 1 patents 2003: 3 patents 2004: 1 patents 2004 2006: 4 patents 2007: 2 patents 2008: 1 patents 2008 2009: 4 patents 2010: 6 patents 2011: 6 patents 2011 2012: 13 patents 2013: 15 patents 2014: 8 patents 2014 2015: 7 patents 2016: 7 patents 2017: 2 patents 2017 2018: 3 patents 2019: 5 patents 2020: 3 patents 2020 2021: 4 patents 2022: 2 patents 2022 Issued Patents All Time
Showing 1–25 of 115 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
11285933 Vehicle drive device Toshihiko Yamamoto , Tetsuya Yamazaki , Wataru HIRATA , Shotaro Niimi 2022-03-29
$119,000
11247690 Driving force control apparatus, driving apparatus, and driving force transmission apparatus Tetsuya Yamazaki , Wataru HIRATA , Toshihiko Yamamoto 2022-02-15
$138,000
11084375 Drive force transmission apparatus Tomohiro Nozu , Tsutomu Matsumoto , Akiyoshi Kakita , Kenta Taniguchi 2021-08-10
11059133 Bonded structure, method of manufacturing same, electric motor, and method of manufacturing same Koji Yamazaki 2021-07-13
11011440 Semiconductor element bonding body, semiconductor device, and method of manufacturing semiconductor element bonding body Koji Yamazaki 2021-05-18
10931087 Ignition plug, control system, internal combustion engine, and internal combustion engine system — 2021-02-23
10639989 Four-wheel-drive vehicle control device Hirokazu Kondo , Akiyoshi Kakita , Kotaro Sarai 2020-05-05
10550897 Driving force transmission control apparatus Kotaro Sarai , Go Nagayama , Toshimi Hara , Naoki Sawada , Masahito Uesaka +1 more 2020-02-04
10527112 Driving force transmission control apparatus Kotaro Sarai , Toshimi Hara , Naoki Sawada , Masahito Uesaka 2020-01-07
10507727 Four-wheel-drive vehicle Tomohiro Nozu , Tetsuya Yamazaki , Tsutomu Matsumoto 2019-12-17
10468375 Semiconductor device and method for manufacturing same Koji Yamazaki 2019-11-05
10266053 Controller for driving force transmitting apparatus Hirokazu Kondo , Go Nagayama , Akiyoshi Kakita 2019-04-23
10252615 Control device for driving force transmission device Hirokazu Kondo , Go Nagayama , Akiyoshi Kakita , Kotaro Sarai 2019-04-09
10181702 Spark plug Kaori Suzuki 2019-01-15
10082623 Rib type optical waveguide and optical multiplexer / demultiplexer using same Shigeru Nakamura 2018-09-25
10079476 Spark plug — 2018-09-18
9899805 Method for manufacturing spark plug Ryuichi Ohno 2018-02-20
9598069 Device and method for controlling limited slip differential — 2017-03-21
9561720 Driving force distribution control apparatus Kotaro Sarai , Hiroto Kawano , Daisuke Kofu , Yasushi Yagi 2017-02-07
9496687 Method for manufacturing spark plug Jiro Kyuno , Keiji Ozeki 2016-11-15
9419414 Spark plug — 2016-08-16
9391710 Optical signal control device and optical signal control method Mineto SATOH , Kenji Sato 2016-07-12
9325156 Spark plug Kenji Ban , Yoshikazu Kataoka , Magoki Shimadate 2016-04-26
9306375 Spark plug Keiji Ozeki , Naoyuki Mukoyama 2016-04-05
9276383 Spark plug, and production method therefor Keiji Ozeki , Naoyuki Mukoyama , Tsutomu Kobayashi 2016-03-01
