Keiichi Ochiai — 13 Patents at Ntt Docomo

Keiichi Ochiai has been granted 13 US patents while listed as an inventor at Ntt Docomo. The first was granted in 1989 and the most recent in October 2023. Keiichi Ochiai ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Keiichi Ochiai in Hirakata, JP.

Patents per Year

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11797321	Information generation apparatus and control system	Naoki Yamamoto, Takashi Hamatani, Yusuke FUKAZAWA	2023-10-24
11782811	Information processing apparatus	Takashi Hamatani, Naoki Yamamoto, Yusuke FUKAZAWA	2023-10-10
11778061	Feature extraction device and state estimation system	Naoki Yamamoto, Takashi Hamatani, Yusuke FUKAZAWA	2023-10-03
11500913	Determination device	Putri Fatina, Yusuke FUKAZAWA	2022-11-15
11369287	Stress estimation system	Akiya Inagaki, Yusuke FUKAZAWA	2022-06-28
11188360	Information processing apparatus and hint provision method	Satoru Morota, Ryou Babazono, Kouhei Senkawa, Ryoko Hayashi, Koichi Moriyama	2021-11-30
11016868	Application usage estimation device and rule formulation device	Yusuke FUKAZAWA	2021-05-25
10733679	Aloneness estimation device	Naoki Yamamoto, Akiya Inagaki	2020-08-04
5501896	Magnetic recording medium	Yasuhiro Ueyama, Tetsuo Satake, Hideaki Komoda, Hideo Hatanaka	1996-03-26	$4,000
5114801	Magnetic recording medium having a magnetic layer comprising hexagonal barium ferrite magnetic particles containing tin and magnesium in specified proportions	Nobuyuki Aoki, Hideaki Komoda	1992-05-19	$40,000
4975324	Perpendicular magnetic film of spinel type iron oxide compound and its manufacturing process	Hideo Torii, Eiji Fujii, Masaki Aoki, Nobuyuki Aoki	1990-12-04	$80,000
4957812	Composite magnetic powder, method for producing the same and recording medium containing the same	Nobuyuki Aoki, Masaki Aoki, Hideo Torii, Eiji Fujii	1990-09-18	$43,000
4886714	Platelike magnetic powder and a recording medium which uses the platelike magnetic powder	Hideo Torii, Masaki Aoki, Hideaki Komoda, Nobuyuki Aoki, Ikuo Ota	1989-12-12	$88,000