Toshiyuki Amagasa has been granted 30 US patents while listed as an inventor at Mitsuba . The first was granted in 1999 and the most recent in September 2025. Toshiyuki Amagasa ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list Toshiyuki Amagasa in Shibukawa, JP.
Patents per Year Patents granted per year, 1999 to 2025 Bar chart with a peak of 3 patents in 2000. peak 3 1999: 2 patents 1999 2000: 3 patents 2001: 1 patents 2001 2002: 1 patents 2007: 1 patents 2007 2008: 1 patents 2009: 2 patents 2009 2011: 2 patents 2012: 1 patents 2012 2013: 1 patents 2014: 3 patents 2014 2015: 2 patents 2016: 2 patents 2016 2017: 1 patents 2018: 2 patents 2018 2019: 2 patents 2024: 1 patents 2024 2025: 2 patents 2025 Issued Patents All Time
Showing 1–25 of 30 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12407291 Motor control device, motor device, wiper device, and motor control method Ryo Ohori , Masahiro Yamada , Atsushi Mochida , Tamotsu Iwazaki 2025-09-02
12351136 Motor control device, motor device, wiper device, and motor control method Ryo Ohori , Masahiro Yamada , Atsushi Mochida , Tamotsu Iwazaki 2025-07-08
12172608 Wiper control method and wiper control device DAICHI MUNEKATA 2024-12-24
$233,000
10320265 Wiper motor Hiroto Tanaka , Takeshi Kanai , Masaaki Kimura , Koji Tsuchiya , Hiroji Okabe +1 more 2019-06-11
10196043 Wiper system control method and wiper system control device Hirokazu Shoda 2019-02-05
10086798 Wiper system control method and wiper system — 2018-10-02
10017159 Wiper control method and wiper control device — 2018-07-10
9660566 Motor control method and motor control device Ken Hirata , Takeshi Ikeda 2017-05-23
9525322 Wiper motor Hiroji Okabe , Koji Tsuchiya , Hachidai Watanabe , Masaaki Kimura , Takeshi Kanai 2016-12-20
9403508 Wiper control method and wiper control device — 2016-08-02
9184689 Motor control device — 2015-11-10
9180838 Motor control device Hiroto Tanaka , Tamotsu Iwazaki 2015-11-10
8897970 Wiper control device and wiper control method — 2014-11-25
8800095 Wiper driving apparatus Hiroji Okabe 2014-08-12
8659251 Wiper motor — 2014-02-25
8453290 Wiper driving apparatus Hiroji Okabe 2013-06-04
8112197 Wiper apparatus control method and wiper control system Takashi Kondo , Toru Namiki 2012-02-07
$916,000
8044614 Wiper apparatus control method and wiper control system Taku Suzuki , Takashi Kondo , Toru Namiki 2011-10-25
$267,000
7895701 Opposite-type wiper apparatus Takashi Kondo , Toru Namiki 2011-03-01
$525,000
7586275 Wiper device control method, wiper device and motor with speed reduction mechanism — 2009-09-08
$1,125,000
7486038 Motor control method and motor control system — 2009-02-03
$770,000
7385367 Motor control method and motor controller Takeshi Ikeda , Mikihito Shimoyama , Hideaki Hakoda , Yasuhiro Nagahara 2008-06-10
$931,000
7262528 Motor unit including integrated motor and speed reduction mechanism — 2007-08-28
$519,000
6410849 Drip-proof structure for a wiper motor device Hiroji Okabe 2002-06-25
6288509 Method for controlling an opposed wiping type wiper apparatus and an opposed wiping type wiper apparatus — 2001-09-11
