RK

Ryota KOBAYASHI

KS Kyocera Document Solutions: 12 patents #252 of 1,545Top 20%
Rohm Co.: 4 patents #677 of 2,292Top 30%
YC Yanmar Holdings Co.: 4 patents #130 of 636Top 25%
SC Sumitomo Chemical: 3 patents #1,386 of 4,033Top 35%
Nissan Motor Co.: 3 patents #2,303 of 8,689Top 30%
TC Tanaka Chemical: 3 patents #13 of 63Top 25%
SP Sakai Display Products: 2 patents #82 of 175Top 50%
JD Japan Display: 2 patents #741 of 1,204Top 65%
YC Yanmar Power Technology Co.: 1 patents #96 of 202Top 50%
JS Jfe Steel: 1 patents #825 of 1,401Top 60%
Kubota: 1 patents #1,212 of 2,059Top 60%
NO Nof: 1 patents #246 of 561Top 45%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
Overall (All Time): #100,756 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #TitleCo-InventorsDate
12381384 Motor drive circuit, motor system and electric device Yoshito Otaguro 2025-08-05
12312552 Agent for forming solid lubricating coating film, oil country tubular goods, threaded joint for oil country tubular goods, and method for manufacturing oil country tubular goods Yasuhide Ishiguro, Seigo Goto, Takashi Koga, Takamasa Kawai, Seiji Ozaki +6 more 2025-05-27
12282293 Toner, image forming apparatus, and image formation method Masanori SUGAHARA, Naruo Yabe, Takeshi Arakawa, Takeo Mizobe 2025-04-22
12172906 Precursor for lithium secondary battery positive electrode active materials, method for producing precursor for lithium secondary battery positive electrode active materials, and method for producing lithium composite metal compound Keiji DEGURA, Yusuke MAEDA 2024-12-24
12107412 Motor drive device, motor system and electronic device Yoshito Otaguro 2024-10-01
11880163 Toner Naruo Yabe, Takeshi Arakawa, Takeo Mizobe, Masanori SUGAHARA 2024-01-23
11874630 Pale-color toner 2024-01-16
11613179 Power transmission device Daisuke Inaba, Shunsuke Odashima 2023-03-28
11400686 Antifouling structure and automotive component using antifouling structure Yuji Noguchi, Ryo Murakami 2022-08-02
11381184 Driving circuit for stepping motor, method of driving stepping motor, and electronic device using the same Hiroki Hashimoto, Masanori Tsuchihashi, Mitsuo Okada 2022-07-05
11245347 Driving circuit and driving method of stepping motor and electronic machine using the same Masanori Tsuchihashi, Mitsuo Okada 2022-02-08
11181842 Two-component developer 2021-11-23
11092907 Toner Takeo Mizobe, Takeshi Arakawa, Masanori SUGAHARA, Kazuki Ono, Naruo Yabe 2021-08-17
11088366 Positive electrode active material for lithium secondary batteries, positive electrode for lithium secondary batteries, and lithium secondary battery Jun-ichi Kageura, Hiroyuki Kurita, Kimiyasu NAKAO 2021-08-10
11015064 Antifouling structure precursor, antifouling structure, and surface modification method Shinichi Akaishi, Yoshiko Tsukada, Masanobu Sugimoto, Daijirou SAKURAI, Yuji Noguchi 2021-05-25
10923719 Positive-electrode active material for lithium secondary battery, positive electrode for lithium secondary battery, and lithium secondary battery Jun-ichi Kageura 2021-02-16
10899933 Antifouling structure Yuji Noguchi, Ryo Murakami 2021-01-26
10895188 Exhaust gas purifier Shunji Hamaoka, Tsuyoshi Inoue, Tetsuya Yokoyama, Yoshinori Fukui, Seita Akimoto +2 more 2021-01-19
10605144 Exhaust gas purification device for ship Tsuyoshi Inoue, Tetsuya Yokoyama, Yasuyuki Takahata, Shunji Hamaoka 2020-03-31
10598601 Gas concentration measuring device Yoshinori Fukui, Tetsuya Yokoyama, Tsuyoshi Inoue, Yusuke Oda, Michiyasu Okada +2 more 2020-03-24
10518217 Catalytic reactor and ship provided with same Tetsuya Yokoyama, Arata Hayata 2019-12-31
10413874 Exhaust gas purification device Tetsuya Yokoyama, Yoshinori Fukui, Keiichi Tsujimoto, Kenya Onishi 2019-09-17
10409112 Liquid crystal display device Tomokazu Ishikawa, Yuki Kuramoto, Hiroshi Miyairi, Katsuto SUGIMOTO 2019-09-10
10409183 Positively chargeable toner 2019-09-10
10185081 Display apparatus and television receiving apparatus 2019-01-22