TH

Toshihiro Hirakawa

NI Ngk Insulators: 26 patents #112 of 2,083Top 6%
NI Nkg Insulators: 1 patents #1 of 20Top 5%
Overall (All Time): #143,189 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
12429454 Gas sensor Yusuke Watanabe, Shotaro NIIZUMA, Hayami AOTA 2025-09-30
12153011 Gas sensor Shotaro NIIZUMA, Yusuke Watanabe, Hayami AOTA 2024-11-26
11879864 Metal terminal Yusuke Watanabe, Shotaro NIIZUMA, Hayami AOTA 2024-01-23
11815485 Gas sensor Shotaro NIIZUMA, Yusuke Watanabe, Hayami AOTA 2023-11-14
11656151 Sensor Yusuke Watanabe, Shotaro NIIZUMA, Hayami AOTA, Kirari TAKAHASHI 2023-05-23
11609206 Gas sensor Shotaro NIIZUMA, Yusuke Watanabe, Hayami AOTA 2023-03-21
11604161 Gas sensor Shotaro NIIZUMA, Yusuke Watanabe, Hayami AOTA 2023-03-14
11585781 Gas sensor Yusuke Watanabe, Shotaro NIIZUMA, Hayami AOTA 2023-02-21
11573197 Gas sensor with angled sealing element Shotaro NIIZUMA, Yusuke Watanabe, Hayami AOTA 2023-02-07
10710324 Manufacturing method of honeycomb structure forming die, and honeycomb structure forming die Toshio Yamada, Yukio Miyairi 2020-07-14
10696010 Plugged honeycomb structure and plugged honeycomb segment Kazuya Mori 2020-06-30
10632709 Honeycomb structure Akifumi Kawakami 2020-04-28
10232300 Plugged honeycomb structure Yuichi Hamazaki 2019-03-19
10118121 Plugged honeycomb structure and plugged honeycomb segment Kazuya Mori 2018-11-06
10024209 Exhaust gas purification filter, exhaust gas purifier, and method of using exhaust gas purifier Yukio Miyairi, Toshio Yamada 2018-07-17
9987582 Plugged honeycomb structure and plugged honeycomb segment Kazuya Mori 2018-06-05
9803596 Honeycomb filter Yukio Miyairi, Kazuhiko Kumazawa, Toshio Yamada 2017-10-31
9700842 Honeycomb filter Yukio Miyairi, Kazuhiko Kumazawa, Toshio Yamada 2017-07-11
D763428 Filter for removing particle matter Yosuke Uesaka 2016-08-09
9289711 Plugged honeycomb structure Toshio Yamada, Satoshi Sakashita 2016-03-22
9205363 Dust collecting honeycomb filter Toshio Yamada 2015-12-08
9080479 Filter element Satoshi Sakashita 2015-07-14
8911849 Honeycomb structure Hirofumi Sakamoto, Koichi Okada, Toshio Yamada 2014-12-16
8511659 Holding jig, measurement device and holding device using the same Satoshi Sakashita, Shinji Ishida, Hiroyuki Nagaoka 2013-08-20
7572497 Honeycomb structure Yoshiyuki Kasai 2009-08-11