MI

Mitsuo Ishii

TO Topcon: 55 patents #6 of 684Top 1%
Sharp Kabushiki Kaisha: 12 patents #1,389 of 10,731Top 15%
NS Nippon Steel: 7 patents #329 of 4,423Top 8%
Mitsubishi Electric: 5 patents #5,859 of 25,717Top 25%
EC Elm Industry Co.: 3 patents #2 of 7Top 30%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Tdk: 1 patents #2,493 of 3,796Top 70%
TC Tokyo Ohka Kogyo Co.: 1 patents #437 of 684Top 65%
NM Nippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
TS Topcon Positioning Systems: 1 patents #102 of 173Top 60%
Overall (All Time): #17,143 of 4,157,543Top 1%
92
Patents All Time

Issued Patents All Time

Showing 25 most recent of 92 patents

Patent #TitleCo-InventorsDate
D1087797 Surveying instrument Yasuhisa Kaneda 2025-08-12
D971037 Surveying instrument Yasuhisa Kaneda 2022-11-29
D971038 Level indicator for survey 2022-11-29
D935911 Surveying instrument 2021-11-16
D859185 Surveying instrument 2019-09-10
D835532 Surveying instrument 2018-12-11
D834969 Light wave distance measuring theodolite 2018-12-04
D834968 Light wave distance measuring theodolite 2018-12-04
D795721 Surveying instrument 2017-08-29
D795720 Surveying instrument Kazuhiro Morita 2017-08-29
D787345 Light wave optical measuring theodolite 2017-05-23
D783427 Surveying instrument 2017-04-11
D783426 Surveying instrument 2017-04-11
D781731 Optical measuring theodolite using light wave Satoshi Nakamura 2017-03-21
D781730 Optical measuring theodolite using light wave Satoshi Nakamura 2017-03-21
D778745 Optical measuring theodolite using light wave 2017-02-14
D777588 Optical measuring theodolite using light wave Takeo Aoki 2017-01-31
D766753 Optical measuring thedolite using light wave Takeo Aoki 2016-09-20
D766755 Surveying instrument mounted on vehicle Takashi Shishido 2016-09-20
D723953 Measuring device for measuring in three-dimension 2015-03-10
D723398 Light wave distance measuring theodolite 2015-03-03
D708970 Laser surveying instrument 2014-07-15
D708969 Surveying instrument 2014-07-15
8562763 High strength α+β type titanuim alloy Hiroaki Otsuka, Hideki Fujii 2013-10-22
D684069 Light wave distance measuring theodolite Yasuyuki Bamba 2013-06-11