{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Ebara", "item": "https://www.patentleaderboard.com/company/ebara"}, {"@type": "ListItem", "position": 3, "name": "Toru Maruyama", "item": "https://www.patentleaderboard.com/inventor/fl:to_ln:maruyama-20"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
TM

Toru Maruyama — 73 Patents

EBEbara: 40 patents #36 of 1,611Top 3%
OCOno Pharmaceutical Co.: 21 patents #16 of 559Top 3%
SISumitomo Heavy Industries: 4 patents #107 of 917Top 15%
NLNippon Sheet Glass Company, Limited: 1 patents #482 of 836Top 60%
NINipro: 1 patents #207 of 473Top 45%
TCToppan Forms Co.: 1 patents #13 of 46Top 30%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
KUKurimoto: 1 patents #46 of 113Top 45%
MOMolex: 1 patents #940 of 1,726Top 55%
Osaka, JP: #253 of 24,344 inventorsTop 2%
Overall (All Time): #26,958 of 4,157,543Top 1%
73 Patents All Time
Toru Maruyama has been granted 73 US patents while listed as an inventor at Ebara. The first was granted in 1998 and the most recent in November 2025. Toru Maruyama ranks #26,958 of 4,157,543 US inventors in our database (top 0.65%). Patent records list Toru Maruyama in Osaka, JP.

Patents per Year

Patents granted per year, 1998 to 2025Bar chart with a peak of 8 patents in 2019.peak 81998: 1 patents19981999: 1 patents2000: 2 patents2001: 1 patents20012002: 1 patents2003: 2 patents2007: 1 patents20072008: 1 patents2009: 1 patents2010: 2 patents20102011: 1 patents2012: 2 patents2013: 2 patents20132014: 4 patents2015: 2 patents2016: 6 patents20162017: 7 patents2018: 5 patents2019: 8 patents20192020: 5 patents2021: 2 patents2022: 4 patents20222023: 3 patents2024: 7 patents2025: 2 patents2025

Issued Patents All Time

Showing 1–25 of 73 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12472601 Method of checking leakage of fluid and polishing apparatus Yasuyuki Motoshima, Shuji Uozumi, Keisuke Kamiki, Mitsunori Komatsu 2025-11-18
12201603 Bicyclic compound and use thereof for medical purposes Tohru Kambe, Shinsaku Yamane, Satoshi Nakayama, Kousuke Tani 2025-01-21
12062563 Substrate processing apparatus, substrate processing system, and substrate processing method Itsuki Kobata, Keita Yagi, Katsuhide Watanabe, Yoichi Shiokawa, Nobuyuki Takahashi 2024-08-13 $23,564,000
12023777 Temperature regulating apparatus and polishing apparatus Keisuke Kamiki, Yasuyuki Motoshima 2024-07-02 $16,876,000
11992915 System for adjusting pad surface temperature and polishing apparatus Shuji Uozumi, Mitsunori Komatsu 2024-05-28 $16,652,000
11958161 Polishing apparatus having surface-property measuring device of polishing pad and polishing system Keisuke Kamiki, Yasuyuki Motoshima 2024-04-16 $17,011,000
11919048 Method of cleaning an optical film-thickness measuring system Nobuyuki Takahashi, Taichi Yokoyama, Zhongxin Wen 2024-03-05 $15,162,000
11919124 Pad-temperature regulating apparatus, method of regulating pad-temperature, polishing apparatus, and polishing system 2024-03-05 $15,162,000
11898940 Leak detection system and inspection method for the system Mitsunori Komatsu, Keisuke Kamiki 2024-02-13 $14,886,000
11839947 Pad-temperature regulating apparatus, and polishing apparatus Keisuke Kamiki, Yasuyuki Motoshima 2023-12-12 $10,723,000
11826871 Pad-temperature regulating apparatus, pad-temperature regulating method, and polishing apparatus Shuji Uozumi 2023-11-28 $7,743,000
11617733 Bicyclic compound and use thereof for medical purposes Tohru Kambe, Shinsaku Yamane, Satoshi Nakayama, Kousuke Tani 2023-04-04
11517940 Substrate cleaning device Shuji Uozumi, Yasuyuki Motoshima 2022-12-06 $6,201,000
11450544 Substrate processing apparatus, substrate processing system, and substrate processing method Itsuki Kobata, Keita Yagi, Katsuhide Watanabe, Yoichi Shiokawa, Nobuyuki Takahashi 2022-09-20 $16,056,000
11383345 Cleaning apparatus for heat exchanger and polishing apparatus Yasuyuki Motoshima, Keisuke Kamiki, Shuji Uozumi 2022-07-12 $10,906,000
11262105 Cryocooler and cryocooler pipe system 2022-03-01
10940134 Bicyclic compound and use thereof for medical purposes Tohru Kambe, Shinsaku Yamane, Satoshi Nakayama, Kousuke Tani 2021-03-09
10903101 Substrate processing apparatus and method for detecting abnormality of substrate Mitsunori Komatsu, Yoshinori Isono, Hiroaki Yanagi 2021-01-26
10792784 Leak checking method, and computer-readable storage medium for performing the leak checking method Suguru Sakugawa, Nobuyuki Takahashi 2020-10-06
10710208 Polishing method and polishing apparatus Hisanori Matsuo, Yasuyuki Motoshima 2020-07-14
10665487 Substrate processing apparatus, substrate processing system, and substrate processing method Itsuki Kobata, Keita Yagi, Katsuhide Watanabe, Yoichi Shiokawa, Nobuyuki Takahashi 2020-05-26
10589398 Heat exchanger for regulating surface temperature of a polishing pad, polishing apparatus, polishing method, and medium storing computer program Yohei Eto 2020-03-17
10556314 Head height adjustment device and substrate processing apparatus provided with head height adjustment device Suguru Sakugawa, Nobuyuki Takahashi, Zhongxin Wen, Yoichi Shiokawa, Keita Yagi +2 more 2020-02-11
10475691 Substrate transfer hand Yasuyuki Motoshima, Yohei Eto 2019-11-12
10438818 Substrate processing apparatus and pipe cleaning method for substrate processing apparatus Junji Kunisawa, Masayoshi Imai, Koji Maeda, Mitsuru Miyazaki, Teruaki HOMBO +1 more 2019-10-08