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USPTO Patent Rankings Data through Dec 31, 2025
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Koji Baba — 15 Patents

SCSeiko Clock: 4 patents #2 of 20Top 10%
NCNihon Nohyaku Co.: 3 patents #68 of 243Top 30%
SCSumitomo Chemical: 3 patents #1,386 of 4,033Top 35%
NINidec: 2 patents #402 of 976Top 45%
OCOrion Machinery Co.: 1 patents #7 of 30Top 25%
DCDaido Metal Company: 1 patents #166 of 280Top 60%
CCCosmo Oil Co.: 1 patents #111 of 229Top 50%
PCPetroleum Energy Center: 1 patents #66 of 180Top 40%
Lusaka, ZM: #1 of 5 inventorsTop 20%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
Koji Baba has been granted 15 US patents while listed as an inventor at Seiko Clock. The first was granted in 1980 and the most recent in September 2015. Koji Baba ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Koji Baba in Lusaka, ZM.

Patents per Year

Patents granted per year, 1980 to 2015Bar chart with a peak of 2 patents in 1998.peak 21980: 1 patents19801997: 1 patents19971998: 2 patents19981999: 2 patents19992001: 2 patents20012002: 2 patents20022003: 2 patents20032004: 1 patents20042013: 1 patents20132015: 1 patents2015

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9148036 Base member of a motor which includes specific surface structure Junzo Fujinawa, Yuki MASUMI 2015-09-29 $984,000
8358485 Housing member for use in disk drive apparatus, motor unit, disk drive apparatus, and method of manufacturing housing member Kiyofumi Inoue, Shozo Tagata, Takahiro Nakamura, Toshikazu Himeno 2013-01-22 $332,000
6737380 Solid acid catalyst, production method thereof, and method for hydrodesulfurizing and isomerizing light hydrocarbon oil using the same Katsuya Watanabe, Takahito Kawakami, Takao Kimura 2004-05-18
6653031 Photosensitive coloring composition, and color filter and liquid crystal display panel using the same Takao Mori, Kiyoharu Nakatsuka 2003-11-25
6531521 Method of preserving photosensitive composition Toshiya Inoue, Shigeo Hozumi 2003-03-11
6348460 1,2,3-thiadiazole derivatives, plant disease controller and method for using the same Kenji Tsubata, Takashi Shimaoka, Tateki Nishida, Kazuhiro Takagi, Sohkichi Tajima 2002-02-19
6344300 Color filter, method of manufacturing color filter and photosensitive coloring composition Shigeo Hozumi 2002-02-05
6313154 Bis-thiadiazole derivatives or salts thereof and agrohorticultural disease controller and method for using the same Kenji Tsubata, Takashi Shimaoka, Kazuhiro Takagi, Sohkichi Tajima 2001-11-06
6180088 Foamable aerosol agricultural-chemical composition and method of controlling diseases and insect pests Shigeki Ohtsubo, Hiroshi Kodama, Takehiro Shimada, Minoru Fukada 2001-01-30
5999495 Timepiece movement Hiroyuki Hashizume 1999-12-07
5930205 Timepiece movement Hiroyuki Hashizume 1999-07-27
5746092 Viscous coupling gear device — 1998-05-05
5727885 Sliding bearing half shell Akira Ono, Hiroshi Naitoh, Mitsuyoshi Ohara, Yukou Sugawara, Yoshikazu Mizuno +1 more 1998-03-17
5621704 Timepiece movement with a second stop device Katsuhiro Hatano 1997-04-15
4193443 Heat exchanger for cooling system compressed air dehumidifiers Kazuyuki Nanaumi 1980-03-18

Frequent Collaborators

Hiroyuki Hashizume2 shared
Takashi Shimaoka2 shared
Sohkichi Tajima2 shared
Shigeo Hozumi2 shared
Kenji Tsubata2 shared
Kazuhiro Takagi2 shared

Nearby-Ranked Inventors

Naoya Kasahara15
Aaron Larry Snyder15
Avishay Meron15
Stuart Hatfield15
Satoshi KUNIYASU15
Ashton Mason15
Theodore Yuchiang Cheng15
Richard Sharbaugh15
Rajen Bhatt15