TH

Tadashi Hayakawa

Ricoh Company: 62 patents #126 of 9,818Top 2%
HK Henkel Ag & Co. Kgaa: 5 patents #280 of 2,331Top 15%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
YC Yoshino Kogyosho Co.: 4 patents #100 of 361Top 30%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HC Hayakawa Rubber Co.: 2 patents #9 of 43Top 25%
TC The Coca-Cola: 1 patents #680 of 1,471Top 50%
Overall (All Time): #22,636 of 4,157,543Top 1%
80
Patents All Time

Issued Patents All Time

Showing 1–25 of 80 patents

Patent #TitleCo-InventorsDate
12416878 Information storage system including a plurality of terminals Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Takuji Takahashi +5 more 2025-09-16
11768448 Information storage system including a plurality of terminals Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Takuji Takahashi +5 more 2023-09-26
11550239 Powder container, powder supply device and image forming apparatus Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Makoto Komatsu, Yuzuru Ozawa 2023-01-10
11485883 Aqueous bonding composition Tsuyoshi Tamogami, Yoshio Yoshida 2022-11-01
11467516 Powder container and image forming apparatus Hiroshi Hosokawa, Tsukuru Kai, Junichi Matsumoto, Makoto Komatsu, Yuzuru Ozawa +2 more 2022-10-11
11429036 Information storage system including a plurality of terminals Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Takuji Takahashi +5 more 2022-08-30
11281124 Powder container, powder supply device and image forming apparatus Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Makoto Komatsu, Yuzuru Ozawa 2022-03-22
11275327 Information storage system including a plurality of terminals Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Takuji Takahashi +5 more 2022-03-15
11249421 Powder container, powder supply device and image forming apparatus Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Makoto Komatsu, Yuzuru Ozawa 2022-02-15
11188007 Developer container which discharges toner from a lower side and includes a box section Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Takuji Takahashi +5 more 2021-11-30
10948850 Powder container and image forming apparatus Hiroshi Hosokawa, Tsukuru Kai, Junichi Matsumoto, Makoto Komatsu, Yuzuru Ozawa +2 more 2021-03-16
10908531 Powder container, powder supply device and image forming apparatus Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Makoto Komatsu, Yuzuru Ozawa 2021-02-02
10754275 Apparatus and method for preventing an information storage device from falling from a removable device Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Takuji Takahashi +5 more 2020-08-25
10725398 Developer container having a cap with three portions of different diameters Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Takuji Takahashi +5 more 2020-07-28
10604682 Hot-melt pressure-sensitive adhesive Yukio Isobe, Itsuro Tomatsu 2020-03-31
10474062 Powder container and image forming apparatus Hiroshi Hosokawa, Tsukuru Kai, Junichi Matsumoto, Makoto Komatsu, Yuzuru Ozawa +2 more 2019-11-12
10466623 Powder container, powder supply device and image forming apparatus Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Makoto Komatsu, Yuzuru Ozawa 2019-11-05
10392541 Hot melt adhesive Makoto Takenaka 2019-08-27
10281843 Powder container, powder supply device and image forming apparatus Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Makoto Komatsu, Yuzuru Ozawa 2019-05-07
9989887 Apparatus and method for preventing an information storage device from falling from a removable device Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Takuji Takahashi +5 more 2018-06-05
9983509 Powder container, powder supply device and image forming apparatus Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Makoto Komatsu, Yuzuru Ozawa 2018-05-29
9828535 Hot melt pressure-sensitive adhesive for labeling Makoto Takenaka 2017-11-28
9790409 Hot melt adhesive Makoto Takenaka, Ai Takamori 2017-10-17
9740139 Powder container including a container portion to be engaged with a powder replenishing device Hiroshi Hosokawa, Tsukuru Kai, Junichi Matsumoto, Makoto Komatsu, Yuzuru Ozawa +2 more 2017-08-22
9599927 Apparatus and method for preventing an information storage device from falling from a removable device Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Takuji Takahashi +5 more 2017-03-21