HW

Hirotsune Watanabe

TO Toyota: 18 patents #1,345 of 26,838Top 6%
SI Sintokogio: 8 patents #41 of 455Top 10%
NO Nof: 1 patents #246 of 561Top 45%
TC Tetra Co.: 1 patents #9 of 38Top 25%
📍 Toyota, JP: #96 of 316 inventorsTop 35%
Overall (All Time): #216,688 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
12420455 Mold device So Nakayama, Akinobu Kawai, Hiroyuki Hamaguchi 2025-09-23
12152189 Surfactant composition for foaming sand Norihiro Sugaya, Hiroyuki Komiya, Munehiro Yamada, Shogo Izumi 2024-11-26
12145196 Method for manufacturing cast product Shoko HORI 2024-11-19
11986878 Die molding surface treatment device Youhei Noguchi, Koji Sakou, Hirotaka Kurita, Takashi Nagaya, Katsutoshi Okumura 2024-05-21
11892337 Measuring device Youhei Noguchi, Koji Sakou, Hirotaka Kurita, Takashi Nagaya, Takumi Maegawa 2024-02-06
11761070 Method for manufacturing aluminum alloy member Yusuke YOKOTA, Makoto Kikuchi, Hiroshi Kawahara, Yasushi Iwata, Jun Yaokawa +1 more 2023-09-19
11633894 Core molding device 2023-04-25
11548059 Mold release agent for core Yasutake Nagata 2023-01-10
11214857 Method for manufacturing aluminum alloy member Yusuke YOKOTA, Makoto Kikuchi, Hiroshi Kawahara, Yasushi Iwata, Jun Yaokawa +1 more 2022-01-04
10967421 Method of reusing core sand Daisuke Yamashita, Masashi Morikawa 2021-04-06
10888919 Core forming device and core forming method Katsutoshi Okumura, Shogo Izumi, Hirotaka Kurita, Katsushige Yamamoto 2021-01-12
10668525 Method of reusing core sand Daisuke Yamashita, Masashi Morikawa 2020-06-02
10183322 Method of reusing core sand Daisuke Yamashita, Masashi Morikawa 2019-01-22
10099278 Mold-making device and mold-making method Kazumasa Uchida, Masaomi Mitsutake, Takumi Maegawa, Masashi Morikawa, So Nakayama +2 more 2018-10-16
10035181 Apparatus and a method for reclaiming foundry sand Yusuke Kato, Toshihiko Zenpo, Tomohiro Aoki, Takehiko Matsumoto, Takumi Maegawa +3 more 2018-07-31
9962868 Device for forming foamed kneaded material and method for forming foamed kneaded material Yusuke Kato, Toshihiko Zenpo, Toshio Kanno, Tomokazu Suda, Yasutake Nagata +2 more 2018-05-08
9931691 Molding method of sand mold using foamed sand, molding die, and sand mold Masaki Okada, Masaomi Mitsutake, Masashi Morikawa 2018-04-03
9789533 Sand for casting mold, manufacturing method for sand casting-mold, and core for metal casting Tomohiro Aoki, Yusuke Kato, Takehiko Matsumoto, Kenichiro Mori, Toshihiko Zenpo +5 more 2017-10-17
9636849 Mold release agent for water glass-containing sand mold molding Masaomi Mitsutake, Masaki Okada, Hiroyuki Matsubara 2017-05-02
9314837 Method for molding sand mold and sand mold Masaomi Mitsutake, Tomokazu Suda, Yusuke Kato, Toshihiko Zenpo 2016-04-19