MJ

Masaaki Jindai

SH Sumitomo Electric Hardmetal: 6 patents #77 of 278Top 30%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
SN Sumitomo Electric Tool Net: 1 patents #10 of 10Top 100%
📍 Itami, JP: #312 of 1,436 inventorsTop 25%
Overall (All Time): #495,357 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11660691 Reamer Masashi YAMADA, Jun Okamoto, Futoshi Takeshita, Kyosuke Kai, Katsutoshi Fukuda 2023-05-30
10766077 Cutting tool Yoshikatsu Mori, Kouki Matsubara, Ryusei Hamada, Kazuhiko Kashima, Yasuhiro Kajiwara 2020-09-08
10646934 Drill Yuki Tsutsumi, Hirofumi Tamanishi 2020-05-12
10300534 Drill Yuma Kawakami, Daisuke Murakami, Keiji Kinoshita 2019-05-28
10155269 Drill 2018-12-18
9522428 Small-diameter drill 2016-12-20
8197163 Indexable insert and drill using the same Kazuchika Nasu, Makoto Abe 2012-06-12
5954459 Throwaway inserts and throwaway drill Kazuo Noguchi, Kazuyoshi Kimura, Kazuchika Nasu 1999-09-21
5800101 Drill Jun Okamoto 1998-09-01
4728231 Drill bit structure Nagatoshi Kunimori, Yoshikatsu Mori 1988-03-01