YT

Yasufumi Takahashi

Ricoh Company: 42 patents #327 of 9,818Top 4%
PA Panasonic: 27 patents #613 of 21,108Top 3%
SC Sanyo Electric Co.: 11 patents #436 of 6,347Top 7%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
FU Fujifilm: 5 patents #1,507 of 4,519Top 35%
UI Ube Industries: 2 patents #593 of 1,686Top 40%
FL Fujitsu Semiconductor Limited: 1 patents #612 of 1,301Top 50%
Overall (All Time): #17,541 of 4,157,543Top 1%
91
Patents All Time

Issued Patents All Time

Showing 1–25 of 91 patents

Patent #TitleCo-InventorsDate
12416878 Information storage system including a plurality of terminals Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more 2025-09-16
11876253 Alkali dry battery comprising electrolyte including sulfonyl group-containing anion Takayuki Nakatsutsumi, Yasuyuki Kusumoto, Atsushi Fukui 2024-01-16
11768448 Information storage system including a plurality of terminals Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more 2023-09-26
11730912 Hydrogen supply apparatus and hydrogen supply system Kazuhito Hato, Kunihiro Ukai 2023-08-22
11637278 Alkaline dry batteries Yasuyuki Kusumoto, Atsushi Fukui 2023-04-25
11581549 Alkaline dry batteries Yasuyuki Kusumoto, Atsushi Fukui 2023-02-14
11429036 Information storage system including a plurality of terminals Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more 2022-08-30
11322737 Alkaline dry batteries Yasuyuki Kusumoto, Atsushi Fukui 2022-05-03
11275327 Information storage system including a plurality of terminals Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more 2022-03-15
11189844 Alkaline dry cell Atsushi Fukui 2021-11-30
11188007 Developer container which discharges toner from a lower side and includes a box section Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more 2021-11-30
11152788 Power system Tomoki Ito, Atsushi Shimizu 2021-10-19
10847786 Alkaline dry battery Satoshi Fujiyoshi 2020-11-24
10784691 Power supply system and method of controlling the same Tomoki Ito, Atsushi Shimizu 2020-09-22
10754275 Apparatus and method for preventing an information storage device from falling from a removable device Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more 2020-08-25
10725398 Developer container having a cap with three portions of different diameters Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more 2020-07-28
10361438 Alkaline dry cell 2019-07-23
10154576 Radiation image detection apparatus including photographic mode and irradiation detection mode, and radiation image photographing system including the same Naoto Iwakiri 2018-12-11
10065824 Stacking apparatus Yousuke Edo, Yasuo Niikura, Satoru Takano, Hidehiko Fujiwara, Takeshi Akai +10 more 2018-09-04
9989887 Apparatus and method for preventing an information storage device from falling from a removable device Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more 2018-06-05
9931905 Air conditioning device for vehicle 2018-04-03
9867266 Radiation image detection apparatus including photographic mode and irradiation detection mode, and radiation image photographing system including the same Naoto Iwakiri 2018-01-09
9708143 Belt device and image forming apparatus including same Yoshiki Hozumi, Naoki Iwaya, Masaharu Furuya, Naomi Sugimoto, Kazuchika Saeki 2017-07-18
9610822 Air conditioning device for vehicle 2017-04-04
9599934 Image forming apparatus having an angle adjuster for a tiltable support roller Yoshiki Hozumi, Naomi Sugimoto, Kazuchika Saeki, Naoki Iwaya, Masaharu Furuya 2017-03-21