Shun Hatanaka has been granted 11 US patents while listed as an inventor at Oki Data . The first was granted in 2015 and the most recent in April 2021. Shun Hatanaka ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Shun Hatanaka in Tokyo, JP.
Patents per Year Patents granted per year, 2015 to 2021 Bar chart with a peak of 4 patents in 2020. peak 4 2015: 2 patents 2015 2017: 1 patents 2017 2019: 1 patents 2019 2020: 4 patents 2020 2021: 3 patents 2021
Issued Patents All Time
Profile Widget
Showing 1–11 of 11 patents
Patent # Title Co-Inventors Date
D916958 Image drum cartridge Masashi Fujii , Tatsuhiko Shimomura , Junichi Ushikubo 2021-04-20
D910742 Image drum cartridge Masashi Fujii , Tatsuhiko Shimomura , Junichi Ushikubo 2021-02-16
D910743 Image drum cartridge Masashi Fujii , Tatsuhiko Shimomura , Junichi Ushikubo 2021-02-16
D898820 Toner cartridge Junichi Ushikubo , Tatsuhiko Shimomura , Masashi Fujii 2020-10-13
D898114 Toner cartridge Junichi Ushikubo , Tatsuhiko Shimomura , Masashi Fujii 2020-10-06
D892921 Toner cartridge Junichi Ushikubo , Tatsuhiko Shimomura , Masashi Fujii 2020-08-11
10606208 Developer container, image formation unit, and image formation apparatus Hisatoshi Saito , Tetsu Koyama , Masashi Fujii 2020-03-31
10295934 Toner container, image forming unit, and image forming apparatus — 2019-05-21
9772580 Development device, image forming unit and image forming apparatus — 2017-09-26
9217952 Image forming unit and image forming apparatus Tetsu Koyama 2015-12-22
9069283 Image formation unit and image formation apparatus — 2015-06-30