HT

Hirofumi TOKUNAGA

AG Agc: 9 patents #69 of 954Top 8%
AC Asahi Glass Co.: 7 patents #274 of 2,251Top 15%
Overall (All Time): #287,865 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
12122713 Glass Kazutaka Ono 2024-10-22
12071370 Glass substrate, black matrix substrate, and display panel Daisuke Kobayashi, Kazutaka Ono, Atsuyoshi Takenaka, Yoshitaka MAEYANAGI 2024-08-27
12017953 Alkali-free glass Kazutaka Ono, Motoyuki Hirose 2024-06-25
11897812 Alkali-free glass Kazutaka Ono 2024-02-13
11414339 Alkali-free glass Kazutaka Ono 2022-08-16
11066325 Alkali-free glass Kazutaka Ono 2021-07-20
11053160 Alkali-free glass Kazutaka Ono, Motoyuki Hirose 2021-07-06
10822264 Alkali-free glass substrate and method for manufacturing alkali-free glass substrate Tetsushi Takiguchi, Shunji Inoue, Kazutaka Ono, Jun Akiyama, Yasumasa Kato +1 more 2020-11-03
10730786 Alkali-free glass and method for producing the same Kazutaka Ono, Motoyuki Hirose 2020-08-04
9963379 Alkali-free glass substrate and method for producing same Akio Koike, Masaya Kunigita 2018-05-08
9902645 Non-alkali glass Kazutaka Ono, Jun Akiyama 2018-02-27
9708211 Alkali-free glass substrate and method for producing same Akio Koike, Masaya Kunigita 2017-07-18
9663395 Alkali-free glass and alkali-free glass plate using same Manabu Nishizawa, Akio Koike 2017-05-30
9540273 Non-alkali glass and method for producing same Tomoyuki Tsujimura, Manabu Nishizawa, Akio Koike 2017-01-10
9505650 Non-alkali glass substrate Manabu Nishizawa, Akio Koike 2016-11-29
9382152 Non-alkali glass and method for producing same Tomoyuki Tsujimura, Manabu Nishizawa, Akio Koike 2016-07-05