AK

Akio Kobayashi

NC Nippondenso Co.: 25 patents #23 of 3,479Top 1%
SC Sanyo Electric Co.: 25 patents #109 of 6,347Top 2%
JS Jfe Steel: 20 patents #62 of 1,401Top 5%
TO Topcon: 10 patents #86 of 684Top 15%
Honda Motor Co.: 10 patents #2,048 of 21,052Top 10%
KK Kureha Kagaku Kogyo: 7 patents #83 of 607Top 15%
KT Kabushiki Kaisha Toshiba: 7 patents #4,294 of 21,451Top 25%
Kyocera: 5 patents #593 of 3,732Top 20%
SE Seiko Epson: 3 patents #3,864 of 7,774Top 50%
TO Toshiba: 3 patents #380 of 2,688Top 15%
MC Mimaki Engineering Co.: 3 patents #59 of 214Top 30%
YK Ykk: 2 patents #317 of 845Top 40%
HM Hyundai Motor: 2 patents #4,348 of 11,886Top 40%
TA Thyssenkrupp Steel Ag: 2 patents #10 of 84Top 15%
SC Sumitomo Chemical: 2 patents #1,792 of 4,033Top 45%
MC Mitsubishi Steel Mfg. Co.: 2 patents #29 of 145Top 20%
KM Kia Motors: 2 patents #2,437 of 7,429Top 35%
NT Nec Lcd Technologies: 2 patents #126 of 305Top 45%
KC Koyo Machine Industries Co.: 2 patents #10 of 86Top 15%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
HC Hakusan Seisakusho Co.: 1 patents #8 of 14Top 60%
JR Japanese National Railways: 1 patents #19 of 102Top 20%
JT Jtekt: 1 patents #1,102 of 1,969Top 60%
KC Konishiroku Photo Industry Co.: 1 patents #532 of 894Top 60%
NC Nkk Co.: 1 patents #579 of 1,173Top 50%
RK Riso Kagaku: 1 patents #321 of 551Top 60%
SC Sawafuji Electric Co.: 1 patents #43 of 108Top 40%
TS Togo Seisakusyo: 1 patents #25 of 66Top 40%
TI Toyo Rubber Chemical Industrial: 1 patents #7 of 13Top 55%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
SO Sony: 1 patents #17,262 of 25,231Top 70%
DC Dainippon Pharmaceutical Co.: 1 patents #90 of 207Top 45%
Overall (All Time): #7,602 of 4,157,543Top 1%
136
Patents All Time

Issued Patents All Time

Showing 1–25 of 136 patents

Patent #TitleCo-InventorsDate
12378645 Iron-based mixed powder for powder metallurgy and iron-based sintered body Takuya TAKASHITA, Nao NASU 2025-08-05
12272491 Iron-based powder for dust cores and dust core Naoki Yamamoto, Takuya TAKASHITA, Makoto Nakaseko, Shigeru Unami 2025-04-08
12152776 Heater and glow-plug provided therewith 2024-11-26
12098449 Alloyed steel powder for powder metallurgy and iron-based mixed powder for powder metallurgy Takuya TAKASHITA, Nao NASU 2024-09-24
12006560 Fe-based nanocrystalline alloy powder, magnetic component, and dust core Naoki Yamamoto, Takuya TAKASHITA, Makoto Nakaseko, Akiri URATA, Miho CHIBA 2024-06-11
11884996 Iron-based alloy sintered body and iron-based mixed powder for powder metallurgy Nao NASU, Takuya TAKASHITA 2024-01-30
11795532 Production method for water-atomized metal powder Makoto Nakaseko, Shigeru Unami, Takuya TAKASHITA 2023-10-24
11654487 Production method for water-atomized metal powder Makoto Nakaseko, Naomichi Nakamura, Takuya TAKASHITA 2023-05-23
11600414 Soft magnetic powder, Fe-based nanocrystalline alloy powder, magnetic component, and dust core Naoki Yamamoto, Takuya TAKASHITA, Makoto Nakaseko, Akiri URATA, Miho CHIBA 2023-03-07
11542579 Iron-based prealloy powder, iron-based diffusion-bonded powder, and iron-based alloy powder for powder metallurgy using the same Hak Soo Kim, Kohsuke Ashizuka, Naomichi Nakamura, Masashi Fujinaga, Toshio Maetani +2 more 2023-01-03
11441212 Alloyed steel powder Takuya TAKASHITA, Naomichi Nakamura 2022-09-13
11414731 Mixed powder for powder metallurgy, sintered body, and method for producing sintered body Naomichi Nakamura 2022-08-16
11364541 Partially diffusion-alloyed steel powder Takuya TAKASHITA, Naomichi Nakamura 2022-06-21
11236411 Alloyed steel powder for powder metallurgy and iron-based mixed powder for powder metallurgy Nao NASU, Takuya TAKASHITA 2022-02-01
10774403 Iron-based alloy powder for powder metallurgy, and sinter-forged member Naomichi Nakamura, Akio Sonobe 2020-09-15
10710155 Mixed powder for powder metallurgy, sintered body, and method of manufacturing sintered body Takuya TAKASHITA, Naomichi Nakamura, Itsuya SATO 2020-07-14
10478867 Treatment liquid supply device using syringe, and wet treatment device Shiro Hara, Sommawan Khumpuang, Takeshi Umino, Sonoko Matsuda 2019-11-19
10309650 Ceramic heater 2019-06-04
D844486 Snap button Daisuke Hayashi, Hayuru Tanaka, Kota Kanno, Ryohei Nakawatase 2019-04-02
10207328 Alloy steel powder for powder metallurgy, and sintered body Takuya TAKASHITA, Naomichi Nakamura, Toshio Maetani, Akio Sonobe, Itsuya SATO 2019-02-19
10111497 Button back and button Daisuke Hayashi, Noboru Shimizu, Takuto Ogushi 2018-10-30
9689570 Heater and glow plug with the same 2017-06-27
9681498 Heater with particle shield for noise 2017-06-13
9604456 Liquid ejection device actuator unit and liquid ejection device handpiece 2017-03-28
9574774 Heater and ignition apparatus equipped with the heater 2017-02-21